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All questions of States and Properties of Matter for Class 5 Exam
What happens during condensation?- a) A solid becomes a gas.
- b) A liquid evaporates.
- c) A liquid becomes a solid.
- d) A gas becomes a liquid.
Correct answer is option 'D'. Can you explain this answer?
What happens during condensation?
a)
A solid becomes a gas.
b)
A liquid evaporates.
c)
A liquid becomes a solid.
d)
A gas becomes a liquid.
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Tutorpedia Coaching answered |
During condensation, a gas cools and loses energy, causing its particles to move closer together and transition into a liquid state. An everyday example of condensation is water droplets forming on a cold glass on a humid day.
In the particle model of matter, how are the particles in solids characterized?- a) They are not arranged in any particular order.
- b) They are arranged in a fixed pattern and vibrate in place.
- c) They are far apart and move freely.
- d) They are loosely packed with large spaces.
Correct answer is option 'B'. Can you explain this answer?
In the particle model of matter, how are the particles in solids characterized?
a)
They are not arranged in any particular order.
b)
They are arranged in a fixed pattern and vibrate in place.
c)
They are far apart and move freely.
d)
They are loosely packed with large spaces.
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Tutorpedia Coaching answered |
In solids, particles are arranged in a regular, fixed pattern and are very close together. This strong bonding prevents them from moving freely, which is why solids maintain a fixed shape and cannot be compressed easily.
How can water pollution occur through soluble substances?- a) Through dissolved chemicals that are not visible.
- b) By physical blockage of water streams.
- c) By visible contaminants only.
- d) By oil spills only.
Correct answer is option 'A'. Can you explain this answer?
How can water pollution occur through soluble substances?
a)
Through dissolved chemicals that are not visible.
b)
By physical blockage of water streams.
c)
By visible contaminants only.
d)
By oil spills only.
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Tutorpedia Coaching answered |
Water pollution can occur through soluble substances that dissolve in water and contaminate it without being visible. Chemical fertilizers and pesticides are common examples, as they can wash into water bodies and degrade water quality significantly.
What is the primary reason that most gases are difficult to detect in everyday life?- a) They are often invisible and lack smell or taste.
- b) They are typically very dense.
- c) They exist only in solid form at room temperature.
- d) They have a distinct color.
Correct answer is option 'A'. Can you explain this answer?
What is the primary reason that most gases are difficult to detect in everyday life?
a)
They are often invisible and lack smell or taste.
b)
They are typically very dense.
c)
They exist only in solid form at room temperature.
d)
They have a distinct color.
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Tutorpedia Coaching answered |
Most gases are difficult to detect because they are invisible and often do not have a smell or taste. This imperceptibility means that we cannot easily sense their presence in the environment, such as in the air we breathe or in carbonated beverages.
What is the consequence of water's boiling point decreasing at higher altitudes?- a) Water cannot be boiled at high altitudes.
- b) Cooking requires longer times at high altitudes.
- c) Water boils at a higher temperature.
- d) Water becomes a solid at lower temperatures.
Correct answer is option 'B'. Can you explain this answer?
What is the consequence of water's boiling point decreasing at higher altitudes?
a)
Water cannot be boiled at high altitudes.
b)
Cooking requires longer times at high altitudes.
c)
Water boils at a higher temperature.
d)
Water becomes a solid at lower temperatures.
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Stoneridge Institute answered |
At higher altitudes, the boiling point of water decreases, which means that cooking times may need to be increased to ensure food is cooked properly. This occurs because lower atmospheric pressure allows water to boil at a lower temperature.
Which of the following is a significant effect of air pollution on human health?- a) Breathing problems
- b) Increased physical stamina
- c) Improved lung capacity
- d) Enhanced cognitive function
Correct answer is option 'A'. Can you explain this answer?
Which of the following is a significant effect of air pollution on human health?
a)
Breathing problems
b)
Increased physical stamina
c)
Improved lung capacity
d)
Enhanced cognitive function
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Stoneridge Institute answered |
Air pollution can lead to serious health issues such as coughing, dizziness, headaches, and various breathing problems. These health effects arise from harmful substances contaminating the air, which can impact respiratory health significantly.
What is a solution?- a) A chemical reaction between two liquids.
- b) A homogeneous mixture of a solute and solvent.
- c) A solid that cannot dissolve in a liquid.
- d) A mixture where the solute is visible.
Correct answer is option 'B'. Can you explain this answer?
What is a solution?
a)
A chemical reaction between two liquids.
b)
A homogeneous mixture of a solute and solvent.
c)
A solid that cannot dissolve in a liquid.
d)
A mixture where the solute is visible.
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Stoneridge Institute answered |
A solution is a homogeneous mixture formed when a solute dissolves in a solvent, resulting in a uniform appearance where the solute is evenly distributed. For example, sugar dissolved in water forms a solution that looks clear and uniform.
What is the role of the atmosphere surrounding the Earth?- a) It is a solid barrier against meteors.
- b) It provides a habitat for marine life.
- c) It prevents earthquakes from occurring.
- d) It is a layer of air containing essential gases.
Correct answer is option 'D'. Can you explain this answer?
What is the role of the atmosphere surrounding the Earth?
a)
It is a solid barrier against meteors.
b)
It provides a habitat for marine life.
c)
It prevents earthquakes from occurring.
d)
It is a layer of air containing essential gases.
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Tutorpedia Coaching answered |
The atmosphere is a layer of air surrounding the Earth that contains essential gases, including nitrogen and oxygen. It plays a crucial role in supporting life, regulating temperature, and protecting the planet from harmful solar radiation.
What happens to particles in a liquid when the temperature increases?- a) They expand to form gas immediately.
- b) They slow down and come closer together.
- c) They move faster and slide past one another.
- d) They vibrate in a fixed position.
Correct answer is option 'C'. Can you explain this answer?
What happens to particles in a liquid when the temperature increases?
a)
They expand to form gas immediately.
b)
They slow down and come closer together.
c)
They move faster and slide past one another.
d)
They vibrate in a fixed position.
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Tutorpedia Coaching answered |
When the temperature of a liquid increases, the particles gain energy and move faster. This increased motion allows them to slide past one another, which is why liquids can flow and take the shape of their container.
What phenomenon allows ice to float on water?- a) Ice is denser than water.
- b) Ice has a higher boiling point.
- c) Ice has a lower melting point.
- d) Ice expands when it freezes.
Correct answer is option 'D'. Can you explain this answer?
What phenomenon allows ice to float on water?
a)
Ice is denser than water.
b)
Ice has a higher boiling point.
c)
Ice has a lower melting point.
d)
Ice expands when it freezes.
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Stoneridge Institute answered |
Ice floats on water because it expands when it freezes, making it less dense than liquid water. This unique property is essential for aquatic ecosystems, as it insulates the water below and helps maintain a stable habitat for marine life.
What process describes the continuous movement of water between land, sea, and air?- a) Water conservation
- b) Water filtration
- c) The water cycle
- d) Water purification
Correct answer is option 'C'. Can you explain this answer?
What process describes the continuous movement of water between land, sea, and air?
a)
Water conservation
b)
Water filtration
c)
The water cycle
d)
Water purification
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Stoneridge Institute answered |
The water cycle refers to the continuous movement of water through various phases, including evaporation, condensation, precipitation, and the transition between solid and liquid states. This cycle is vital for replenishing water sources on Earth.
In the water cycle, what process occurs after evaporation?- a) Condensation
- b) Freezing
- c) Melting
- d) Precipitation
Correct answer is option 'A'. Can you explain this answer?
In the water cycle, what process occurs after evaporation?
a)
Condensation
b)
Freezing
c)
Melting
d)
Precipitation
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Tutorpedia Coaching answered |
After evaporation, condensation occurs when water vapor cools and forms clouds. This process is essential for the water cycle, leading to precipitation, where water falls back to the Earth as rain, snow, or hail.
Why is indoor air pollution a concern?- a) It is usually harmless to health.
- b) It can arise from everyday activities and materials.
- c) It is caused solely by natural resources.
- d) It only affects outdoor air quality.
Correct answer is option 'B'. Can you explain this answer?
Why is indoor air pollution a concern?
a)
It is usually harmless to health.
b)
It can arise from everyday activities and materials.
c)
It is caused solely by natural resources.
d)
It only affects outdoor air quality.
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Stoneridge Institute answered |
Indoor air pollution is a major concern because it can arise from everyday activities and materials, such as cooking fumes, tobacco smoke, and chemicals from household products. These pollutants can lead to health problems, including respiratory issues and allergies.
What is the primary reason water is known as the universal solvent?- a) It can dissolve only salts.
- b) It exists in three states.
- c) It can dissolve a wide variety of substances.
- d) It can evaporate quickly.
Correct answer is option 'C'. Can you explain this answer?
What is the primary reason water is known as the universal solvent?
a)
It can dissolve only salts.
b)
It exists in three states.
c)
It can dissolve a wide variety of substances.
d)
It can evaporate quickly.
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Tutorpedia Coaching answered |
Water is known as the universal solvent because it can dissolve a wide variety of substances, including salts, sugars, acids, and gases. This property is crucial for biological processes and environmental systems.
Chapter doubts & questions for States and Properties of Matter - Year 5 Science IGCSE (Cambridge) 2025 is part of Class 5 exam preparation. The chapters have been prepared according to the Class 5 exam syllabus. The Chapter doubts & questions, notes, tests & MCQs are made for Class 5 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests here.
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Year 5 Science IGCSE (Cambridge)
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