Class 7 Exam > Class 7 Questions > Acids are formed whena)metals combine with ox...
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Acids are formed when
- a)metals combine with oxygen
- b)bases dissolve in water
- c)metals react with water
- d)oxides of non metals dissolve in water
Correct answer is option 'D'. Can you explain this answer?
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Verified Answer
Acids are formed whena)metals combine with oxygenb)bases dissolve in w...
Correct Answer :- D
Explanation : The oxides of non-metals are acidic. If a non-metal oxide dissolves in water, it will form an acid. The non-metal oxides can be neutralized with a base to form salt and water.
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Acids are formed whena)metals combine with oxygenb)bases dissolve in w...
Correct Answer :- D
Explanation : The oxides of non-metals are acidic. If a non-metal oxide dissolves in water, it will form an acid. The non-metal oxides can be neutralized with a base to form salt and water.
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Acids are formed whena)metals combine with oxygenb)bases dissolve in w...
Formation of Acids
Acids are formed when oxides of non-metals dissolve in water. This process involves a chemical reaction that results in the formation of acidic solutions.
Explanation:
When oxides of non-metals such as sulfur dioxide (SO2) or nitrogen dioxide (NO2) dissolve in water, they react to form acids. For example, sulfur dioxide dissolves in water to form sulfurous acid (H2SO3) and nitrogen dioxide dissolves in water to form nitric acid (HNO3).
Chemical Equations:
1. Sulfur dioxide + Water → Sulfurous acid
SO2 + H2O → H2SO3
2. Nitrogen dioxide + Water → Nitric acid
NO2 + H2O → HNO3
Properties of Acids:
- Acids have a sour taste.
- Acids turn blue litmus paper red.
- Acids react with metals to produce hydrogen gas.
- Acids react with bases to form salts and water.
Importance of Acids:
Acids play a crucial role in various chemical reactions and industrial processes. They are used in the production of fertilizers, cleaning agents, food preservation, and many other applications.
Overall, the formation of acids from the dissolution of non-metal oxides in water is a fundamental process that contributes to the diverse properties and applications of acids in our daily lives.
Acids are formed when oxides of non-metals dissolve in water. This process involves a chemical reaction that results in the formation of acidic solutions.
Explanation:
When oxides of non-metals such as sulfur dioxide (SO2) or nitrogen dioxide (NO2) dissolve in water, they react to form acids. For example, sulfur dioxide dissolves in water to form sulfurous acid (H2SO3) and nitrogen dioxide dissolves in water to form nitric acid (HNO3).
Chemical Equations:
1. Sulfur dioxide + Water → Sulfurous acid
SO2 + H2O → H2SO3
2. Nitrogen dioxide + Water → Nitric acid
NO2 + H2O → HNO3
Properties of Acids:
- Acids have a sour taste.
- Acids turn blue litmus paper red.
- Acids react with metals to produce hydrogen gas.
- Acids react with bases to form salts and water.
Importance of Acids:
Acids play a crucial role in various chemical reactions and industrial processes. They are used in the production of fertilizers, cleaning agents, food preservation, and many other applications.
Overall, the formation of acids from the dissolution of non-metal oxides in water is a fundamental process that contributes to the diverse properties and applications of acids in our daily lives.
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Acids are formed whena)metals combine with oxygenb)bases dissolve in waterc)metals react with water d)oxides of non metals dissolve in waterCorrect answer is option 'D'. Can you explain this answer?
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Acids are formed whena)metals combine with oxygenb)bases dissolve in waterc)metals react with water d)oxides of non metals dissolve in waterCorrect answer is option 'D'. Can you explain this answer? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about Acids are formed whena)metals combine with oxygenb)bases dissolve in waterc)metals react with water d)oxides of non metals dissolve in waterCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Acids are formed whena)metals combine with oxygenb)bases dissolve in waterc)metals react with water d)oxides of non metals dissolve in waterCorrect answer is option 'D'. Can you explain this answer?.
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