NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension: Questions 789 - 792 of 816

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Question number: 789

» Chemistry » Structure of Atom

MCQ▾

Question

The size of colloidal particles in a colloid range

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 790

» Chemistry » Physical and Chemical Changes

MCQ▾

Question

There is a mixture of three solid compounds A, B and C. Out of these compounds A and C are soluble in water and compound C is sublimable also. In what sequence the following techniques can be used for their effective separation?

I. Filtration

II. Sublimation

III. Crystallisation from water extract

IV. Dissolution in water

Choices

Choice (4) Response

a.

I, II, IV and III

b.

II, IV, I and III

c.

IV, I, II and III

d.

I, II, III and IV

Question number: 791

» Mathematics » Trigonometry

MCQ▾

Question

∆ ABC is an equilateral triangle of side Equation cms. P is any point in the interior of Equation . If x, y, z are the distances of P from the sides of the triangle, then Equation

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 792

» Physics » Light

MCQ▾

Question

Consider the following: To protect yourself from lightening you will

I. go under a building and small trees.

II. Crouch on your feet.

III. stand on the ground.

IV. lie on the ground.

Which of the above is/are correct?

Choices

Choice (4) Response

a.

II and III

b.

III and IV

c.

I and IV

d.

I and II

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