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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
What happens when an acid reacts with a metal oxide? Explain with the help of an example. Write a balanced equation for the reaction involved.
Compounds such as alcohol and glucose also contain hydrogen but are not categorised as acids. Describe an activity to prove it.
A solution reacts with marble chips to produce a gas which turns lime water milky. The solution contains:
(a) Na2SO4
(b) CaSO4
(c) H2SO4
(d) K2SO4
What ions are present in the solutions of following substances? (write the symbols only)
Sodium hydroxide
What happens when a solution of an acid is mixed with a solution of a base in a test tube?
- The temperature of the solution increases
- The temperature of the solution decreases
- The temperature of the solution remains the same
- Salt formation takes place
Which of the following salts does not contain any water of crystallisation?
Are all acids corrosive in nature? Name a few acids which are non-corrosive and may be part of our food.
The formula of bleaching powder is ______.
On placing a copper coin in a test tube containing green ferrous sulphate solution, it will be observed that the ferrous sulphate solution ______.
Two salts 'X' and 'Y' are dissolved in water separately. When phenolphthalein is added to these two solutions, the solution 'X' turns pink and the solution 'Y' does not show any change in colour, therefore 'X' and 'Y' are:
