NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension: Questions 588 - 592 of 1042

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Question number: 588

» Chemistry » Periodic Classification of Elements

MCQ▾

Question

SnO2+H2Sn+H2O . This is an unbalanced equation. Write its balanced equation.

Choices

Choice (4) Response

a.

SnO2+2H2Sn+2H2O2

b.

SnO2(s)+2H2Sns+2H2O2

c.

SnO2+H2Sn+2H2O2

d.

SnO2(s)+2H2(g)Sn(s)+2H2O2(g)

Question number: 589

» Mathematics » Trigonometry

MCQ▾

Question

A triangle formed by the points A (2, 5), B (3, 8) and C (x, y). If the centroid of the triangle is (3, 5), what is the coordinate of point C?

Choices

Choice (4) Response

a.

(4, 2)

b.

(2, 4)

c.

(-4, -2)

d.

None of the above

Question number: 590

» Chemistry » Physical and Chemical Changes

MCQ▾

Question

A student took five test tubes containing solutions of different colors marked I, II, III, IV and V as shown below. The test tubes containing copper sulphate and ferrous sulphate solution could be the tubes

Five test tubes containing different colors

Five Test Tubes Containing Different Colors

Find the test tube containing copper sulphate and ferrous sulphate

Choices

Choice (4) Response

a.

Ill and V

b.

I and V

c.

II and IV

d.

IV and V

Question number: 591

» Chemistry » Periodic Classification of Elements

MCQ▾

Question

AgNO3(aq)+NaCl(aq)AgCl(aq)+NaNO3(aq) .

It is an example of

Choices

Choice (4) Response

a.

decomposition reaction

b.

displacement reaction

c.

double displacement reaction

d.

redox reaction

Question number: 592

» Mathematics » Simple Interest and Compound Interest

MCQ▾

Question

A sum of money doubles itself at compound interest in 15 year. It will becomes 8 times in

Choices

Choice (4) Response

a.

30 year

b.

40 year

c.

45 year

d.

60 year

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