Test: Is Matter Around Us Pure- Case Based Type Questions - Super TET MCQ
15 Questions MCQ Test Science for Super TET - Test: Is Matter Around Us Pure- Case Based Type Questions
Direction: Read the following and answer any four questions from (i) to (v).
Manish and Nitish are provided with mixture of camphor, common salt and soil by their teacher. The teacher has asked them to use the techniques of sublimation, filtration and evaporation to separate this mixture.
Q. Name one more substance which can be separated from a mixture by the process of sublimation
Direction: Read the following and answer any four questions from (i) to (v).
Manish and Nitish are provided with mixture of camphor, common salt and soil by their teacher. The teacher has asked them to use the techniques of sublimation, filtration and evaporation to separate this mixture.
Q. Filtration technique can be used for separating ………. easily.
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Direction: Read the following and answer any four questions from (i) to (v).
Manish and Nitish are provided with mixture of camphor, common salt and soil by their teacher. The teacher has asked them to use the techniques of sublimation, filtration and evaporation to separate this mixture.
Q. Which technique can be used to separate salt from sea water?
Direction: Read the following and answer any four questions from (i) to (v).
Manish and Nitish are provided with mixture of camphor, common salt and soil by their teacher. The teacher has asked them to use the techniques of sublimation, filtration and evaporation to separate this mixture.
Q. Which technique can be used to separate camphor from the mixture easily?
Direction: Read the following and answer any four questions from (i) to (v).
Manish and Nitish are provided with mixture of camphor, common salt and soil by their teacher. The teacher has asked them to use the techniques of sublimation, filtration and evaporation to separate this mixture.
Q. Which technique can be used to separate common salt from water?
Direction: Study the substances given in the box and answer any of the four questions given below :
Air, Soil, Filtered tea, Wood, Mercury, Milk, Calcium oxide, Ink
Q. How can we say that milk is heterogeneous mixture?
Direction: Study the substances given in the box and answer any of the four questions given below :
Air, Soil, Filtered tea, Wood, Mercury, Milk, Calcium oxide, Ink
Q. A student has written following statements about soil. Which of these is correct?
Direction: Study the substances given in the box and answer any of the four questions given below :
Air, Soil, Filtered tea, Wood, Mercury, Milk, Calcium oxide, Ink
Q. Sugar is a pure substance. It is because :
Direction: Study the substances given in the box and answer any of the four questions given below :
Air, Soil, Filtered tea, Wood, Mercury, Milk, Calcium oxide, Ink
Q. The homogeneous mixture is/are :
Direction: Study the substances given in the box and answer any of the four questions given below :
Air, Soil, Filtered tea, Wood, Mercury, Milk, Calcium oxide, Ink
Q. Give an example of gas – gas homogenous mixture.
Direction: Read the following and answers the questions.
A homogeneous mixture of two or more substances called a true solution. it consists of solute and solvent. The particle size of true solution in less than 1 nanometer. A suspension is a heterogeneous mixture in which the solute particle does not dissolve but remain suspended throughout the bulk of the medium. A colloid is a mixture that is actually heterogeneous but appears to be homogeneous as the particles are uniformly spread throughout the solution.
Q. Which is the correct order of stability of solution
Direction: Read the following and answers the questions.
A homogeneous mixture of two or more substances called a true solution. it consists of solute and solvent. The particle size of true solution in less than 1 nanometer. A suspension is a heterogeneous mixture in which the solute particle does not dissolve but remain suspended throughout the bulk of the medium. A colloid is a mixture that is actually heterogeneous but appears to be homogeneous as the particles are uniformly spread throughout the solution.
Q. Which type of mixture can be separated by filtration?
Direction: Read the following and answers the questions.
A homogeneous mixture of two or more substances called a true solution. it consists of solute and solvent. The particle size of true solution in less than 1 nanometer. A suspension is a heterogeneous mixture in which the solute particle does not dissolve but remain suspended throughout the bulk of the medium. A colloid is a mixture that is actually heterogeneous but appears to be homogeneous as the particles are uniformly spread throughout the solution.
Q. Which one of the following is most stable?
Direction: Read the following and answers the questions.
A homogeneous mixture of two or more substances called a true solution. it consists of solute and solvent. The particle size of true solution in less than 1 nanometer. A suspension is a heterogeneous mixture in which the solute particle does not dissolve but remain suspended throughout the bulk of the medium. A colloid is a mixture that is actually heterogeneous but appears to be homogeneous as the particles are uniformly spread throughout the solution.
Q. Which statement is incorrect about Tyndall effect.
Direction: Read the passage and answer the questions given, one mark questions.
Anything that occupies some space, having mass, volume and can be felt by one or more out of five senses is called matter. The purest form of matter is called an element. An element is a substance which cannot be split up into two or more simpler substances by the usual chemical methods of applying heat, light or electric energy.
A pure substance consists of a single type of particles. All the elements and compounds are pure substances because they contain only one kind of particles. eg. Hydrogen, Carbon, Oxygen, Carbon-monoxide, Copper, Gold, Silver. A pure substance has a fixed composition as well as a fixed boiling point and melting point. The presence of impurities generally increases the melting and boiling point of the pure substances
Q. The boiling point of pure water is 100oC. What likely be the effect on the boiling point of water if 150 gm NaCl is added to one litre water.
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59 videos|118 docs|73 tests
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