State the inference drawn from the following observations:1. On carryi

1.	State the inference drawn from the following observations:1. On carrying out the flame test with a salt P a brick red flame was obtained. What is the cation in P? 2. A gas Q turns moist had acetate paper silvery black. Identify the gas Q. 3. pH of liquid R is 10. What kind of substance is R? 4. Salt S is prepared by reacting dilute sulphuric acid with copper oxide. Identify S.
Answer» 1. P → Calcium ion (Ca⁺⁺) 2. Q → Hydrogen sulphide gas (H₂S) 3. R → Base. 4. S → Copper Sulphate (CuSO₄).

State the inference drawn from the following observations:1. On carrying out the flame test with a salt P a brick red flame was obtained. What is the cation in P? 2. A gas Q turns moist had acetate paper silvery black. Identify the gas Q. 3. pH of liquid R is 10. What kind of substance is R? 4. Salt S is prepared by reacting dilute sulphuric acid with copper oxide. Identify S.

Answer»

1. P → Calcium ion (Ca⁺⁺)

2. Q → Hydrogen sulphide gas (H₂S)

3. R → Base.

4. S → Copper Sulphate (CuSO₄).