Read the extract given below and answer the questions that follow:

One Sunday morning, when the animals assembled to receive their orders, Napoleon announced that he had decided upon a new policy....

Give the chemical formula of:

1. Bauxite
2. Cryolite
3. Sodium aluminate

State your observations when:

Barium chloride solution is mixed with Sodium Sulphate Solution.

The relaxation phase of the heart.

Give appropriate biological or technical terms for the following:

Name a state in India where thorn and scrub forest is found.

Give two ways by which the trees that are found here have adapted to the climate.

With reference to Littoral forest, Name one area in India where this forest is found.

Name the compound added to pure alumina to lower the fusion temperature during the electrolytic reduction of alumina.

To increase the pH value of a neutral solution, we should add:

1. an acid
2. an acid salt
3. an alkali
4. a salt

Anhydrous iron(III) chloride is prepared by:

1. direct combination
2. simple displacement
3. decomposition
4. neutralization

You have a choice of three metals A, B and C, of specific heat capacities 900 Jkg^{- 1o}C^-1, 380 Jkg^-1oC^-1 and 460 Jkg^-1oC^-1 respectively, to make a calorimeter. Which material will you select?...

Read the extract given below and answer the questions that follow:

"Well, Mr. Easton, if you will make me speak first, I suppose I must. Don't you ever recognize old friends when you meet them in...

Using ruler and a compass only construct a semi-circle with diameter BC = 7cm. Locate a point A on the circumference of the semicircle such that A is equidistant from B and C. Complete the cyclic...

State any two methods adopted by the Early Nationalists in the National Movement.

With reference to Littoral forest, Why do the trees in this forest grow aerial roots?

Mention any two objectives of the Forward Bloc