Salts

I am used as a presarvative

• Sodium Carbonate

• Sodium Bicarbonate

• Sodium Chloride

• Sodium Nirate

CaCO3.MgCO3 is which type of salt.

• Acidic Salt

• Basic Salt

• Normal Salt

• Double Salt

Which of the following is a metal + non-metal + heat = salt?

• 2Na + Cl2 = 2NaCl

• Zn + 2HCl = ZnCl2 + H2

• Both of these

Which of the following is an example of precipitation reaction?

• AgNO3 + NaCl = AgCl + NaNO3

• CO2 + CaCO = CaCO3

• Fe + S = FeS

I am a property of some salts to lose their water of crystallisation wholly or partly and convert into powder,when the crystals are exposed to dry air even for a short period of time.

• Effloresence

• Hydrolysis

• Crystallisation

• None of these

Salts are non-volatile solids

• True

• False

Salts can be classified into four types based on thier

• Composition

• Acidity

• Basicity

• Solublity

Basic salts are generated by partial replacement of _____of a diacidic or triacidic base by a acid.

• Hydrogen

• Hydroxyl

• Nitrogen

• Nitride

I am used in production of glass.

• Ammonium Sulphate

• Sodium Chloride

• Sodium Nitride

• Copper Sulphate

I am used in pesticides.

• Copper Sulphate

• Iron Sulphate

• Mercury Chloride

• All of these