When can the Speaker of the Lok Sabha cast his vote?

Solve for x the quadratic equation x² - 4x - 8 = 0. Give your answer correct to three significant figures.

State your observations when

Dilute Hydrochloric acid is added to Sodium thiosulphate

The necessity to maintain International peace led to the establishment of the United Nations Organisation. With reference to the statement, answer the following: Write any four functions of the...

"Karnataka has developed as an important state for the growth of the Silk industry." Give two reasons to justify the statement.

A man observes the angle of elevation of the top of the tower to be 45^o. He walks towards it in a horizontal line through its base. On covering 20 m the angle of elevation changes to 60^o. Find the...

A person is standing at the sea shore. An observer on the ship which is anchored in between a vertical cliff and the person on the shore fires a gun. The person on the shore hears two sounds, 2...

Name the main component of the following alloys:

1. Brass
2. Duralumin

Match the items given in Column A with the most appropriate ones in Column B and rewrite the correct matching pairs.

Name the metal obtained from Bauxite. Give any one use of the metal mentioned by you.

State your observations when:

Dilute Hydrochloric acid is added to Lead nitrate solution and the mixture is heated.

Write balanced chemical equations for each of the following:

1. When excess of ammonia is treated with chlorine.
2. An equation to illustrate the reducing nature of ammonia.

The condition in which a pair of chromosomes carry similar alleles of a particular character.

Name the process by which impure ore of aluminum gets purified by using concentrated solution of an alkali.

Prove that: (cosec 𝜃 - sin 𝜃)(sec 𝜃 - cos 𝜃)(tan 𝜃 + cot 𝜃) = 1

The tendency of an element to form chains of identical atoms.