Answer the following questions:
Show the dissociation of the following compounds on dissolvinf in water, with the help of chemical equation and write whether the proportion of dissociation is small or large. Hydrochloric acid, sodium chloride, potassium hydroxide, ammonia, acetic acid, magnesium chloride, copper sulphate.

Write the chemical formula for the following: Sodium chloride, potassium hydroxide, acetic acid, sodium acetate.

Answer the following questions: Classify aqueous solutions of the following substances according to their pH into three groups: 7, more than 7, less than 7. Common salt, sodium acetae, hydrochloric acid, carbon dioxide, potassium bromide, calcium hydroxide, ammonium chloride, vinegar, sodium carbonate, ammonium, sulphur dioxide.

Answer the following questions: How are sodium , magnesium and potassium obtained from their molten chloride salts ?

Answer the following questions : What happens when ethanoic acid is treated with sodium hydroxide ? Write the balanced equation for the same.

Answer the following questions: Write symbols of the following elements and the radicals obtained from them, indicate the charge on the radicals. Mercury, potassium, nitrogen, copper, sulphur, carbon, chloride, oxygen.

Write the steps in deducing the chemical formulae of the following compounds. Sodium sulphate, potassium nitrate, ferric phosphate, calcium oxide, aluminium hydroxide

Answer the following questions : Observe the following reaction carefully and answer the sub-questions: NH_3+HCIrarrNH_4CI Write a reaction showing dissociation of this base in water.

Answer the following question : Classify the following into elements, compounds and mixtures : Sugar, sodium, nitrogen, sodium carbonate, air, sulphuric acid, mercury, stainless steel, cement, potassium dichromate.

Use your brain power Classify the following salts into the types acidic, basic and neutral, sodium sulphate, potassium chloride, ammonium nitrate, sodium carbonate, sodium acetate, sodium chloride.

Write down a balanced chemical equation for the following reaction.Calcium chloride+Sulphuric acid rarr Calciumsulphate+Hydrogen chloride