class 10th Hindi Test

Front

Salts without water of crystallization:

Back

Baking soda

Front

Chemical formula of Plaster of Paris?

Back

CaSO4.1/2H2O

Front

CuSO4.5H2O contains water known as

Back

Water of Crystallisation

Front

Bitter substance:

Back

NaOH

Front

Sour substance:

Back

HCl

Front

CO₂ gas is produced when reacting with HCl and:

Back

Both Na₂CO₃ and NaHCO₃

Front

Metal that doesn't react with dilute HCl to produce H₂ gas:

Back

Cu

Front

Solutions A (pH 2), B (pH 3), C (pH 7). Which is acidic?

Back

Both A and B

Front

Acidic salt?

Back

NH₄Cl

Front

Basic salt: Na₂CO₃

Back

Na₂CO₃