Advertisements
Advertisements
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.
उत्तर
Copper sulphate [CuSO4.5H2O]. By the action of acid on metal oxide.
संबंधित प्रश्न
Write a word equation and then a balanced equation for the reaction taking place when:
Dilute hydrochloric acid reacts with magnesium ribbon.
Complete and balance the following chemical equations
Na2 CO3 (s) + HCI (aq) →
Define an acid and a base. Give two examples of each.
A first-aid manual suggests that vinegar should be used to treat wasp stings and baking soda for bee stings. What does this information tell you about the chemical nature of:
bee stings?
Hydrochloric acid reacts with a metal X to form a gas Y which burns with a 'pop' sound. Sodium hydroxide solution also reacts with the same metal X (on heating) to form the same gas Y.
Name X and Y
When _______________ is passed through fresh lime water, it turns milky.
Answer the following question.
Identify the acid and base which form sodium hydrogen carbonate. Write the chemical equation in support of your answer. State whether this compound is acidic, basic, or neutral. Also, write its pH value.
Magnesium hydroxides are used for treating _______
Which of the following substance will not give carbon dioxide on treatment with dilute acid?
Consider the following salt:
NH4X
If in salt NH4X, X is nitrate, then its solution will give what colour with a universal indicator? Why?
