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प्रश्न
For each of the salt: A, B, C and D, suggest a suitable method of its preparation.
C is a soluble salt of copper.
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उत्तर
Copper sulphate [CuSO4.5H2O]. By the action of acid on metal oxide.
संबंधित प्रश्न
A solution reacts with crushed egg-shells to give a gas that turns lime-water milky. The solution contains ______.
Write a word equation and then a balanced equation for the reaction taking place when:
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Write a word equation and then a balanced equation for the reaction taking place when:
Dilute sulphuric acid reacts with aluminium powder.
Write a word equation and then a balanced equation for the reaction taking place when:
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Equal lengths of magnesium ribbons are taken in test tubes A and B. Hydrochloric acid (HCl) is added to test tube A, while acetic acid (CH3COOH) is added to test tube B. In which test tube will the fizzing occur more vigorously, and why?
Fill in the blank in the following sentences:
Substances do not show their acidic properties without.......................... .
What happens when an acid reacts with a base?
What ions are present in the solutions of following substances? (write the symbols only)
Hydrochloric acid
What ions are present in the solutions of following substances? (write the symbols only)
Magnesium hydroxide
What is the correct procedure for mixing acid and water? Why?
