SSC (English Medium) 10th Standard - Maharashtra State Board Question Bank Solutions for Science and Technology 1

Right or wrong sentence?

In the electrolytic dissipation method of alumina, the lining of graphite acts as an anode.

Right or wrong sentence?

The electrolysis of alumina combines fluorite and cryolite to increase the solubility in the precipitation method.

Gold and silver are active metals.

Bauxite reacts with sodium hydroxide in the Bayer’s process.

Write an Explanation.

Endothermic reaction

Identify who I am!

Ore of Aluminum- ______

Write scientific reason.

Nearsightedness, this defect can be corrected by using spectacles with concave lens.

Explain the following reaction with their balanced chemical equation.

Hydrogen sulphide reacts with sulphur dioxide.

Classify the following reaction into Exothermic and Endothermic reactions.

Magnesium ribbon when burned in air, it forms magnesium oxide.

Write the molecular formulae of the following compound.

Cryolite

Write the molecular formulae of the following compound.

Fluorspar

Write the molecular formulae of the following compound.

Sodium aluminate

Explain the concept of Roasting.

Explain the concept of Calcination.

Explain Bayer’s process.

Explain the reactions of nonmetals with water with the help of examples.

Explain the characteristics of ionic compounds.

Explain the following reaction with the balanced equation.

Chlorine dissolved in water

Explain the following reaction with the balanced equation.

Sodium aluminate reacts with water

Explain the following reaction with the balanced equation.

Ferric oxide is reacted with aluminium.