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

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.

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.

Explain the following reaction with the balanced equation.

Dry aluminium hydroxide is ignited at 1000 °C

Explain the following reaction with the balanced equation.

Zinc sulphide is heated strongly in excess of air

Explain the following reaction with the balanced equation.

Zinc carbonate is heated strongly in limited supply of air