Chemistry (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 98 - 103 of 144

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Question number: 98

» Chemistry » Structure of Atom

MCQ▾

Question

A well- known antiseptic ‘tincture of iodine’ is a solution made by dissolving

Choices

Choice (4) Response

a.

Iodine in alcohol

b.

Iodine in Kl

c.

Iodine in acetone

d.

Iodine in water

Question number: 99

» Chemistry » Structure of Atom

MCQ▾

Question

________ is the solution of solid in a solid.

Choices

Choice (4) Response

a.

Bread

b.

Brass

c.

Boron

d.

Beryllium

Question number: 100

» Chemistry » Carbon and Its Compounds

Match List-Ⅰ List-Ⅱ▾

Question

Match the following functional Group formula
List-Ⅰ (List 1) List-Ⅱ (List II)

(A)

Aldehyde

(i)

(B)

Carboxylic Acid

(ii)

(C)

Ketone

(iii)

(D)

Alkene

(iv)

═O

Choices

Choice (4) Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (iii)
  • (ii)
  • (iv)
  • (i)

b.

  • (iii)
  • (ii)
  • (i)
  • (iv)

c.

  • (i)
  • (iv)
  • (iii)
  • (ii)

d.

  • (iii)
  • (i)
  • (ii)
  • (iv)

Question number: 101

» Chemistry » Periodic Classification of Elements

MCQ▾

Question

Which of the following pairs of elements represents a mole ratio of 1: 1?

Choices

Choice (4) Response

a.

20 g of C and 12 g of C

b.

20 g of Ca and 20 g of Na

c.

12 g of Mg and 6 g of C

d.

10 g of C and 12 g of Mg

Question number: 102

» Chemistry » Acid Bases and Salt

MCQ▾

Question

The salt whose aqueous solution will have no effect on either red or blue litmus paper is

Choices

Choice (4) Response

a.

Ammonium sulphate

b.

Sodium carbonate

c.

Potassium sulphate

d.

Sodium acetate

Question number: 103

» Chemistry » Metals & Non Metals

MCQ▾

Question

Which of the following are metals, non-metals and metalloids?

V, K, Ge, Br

Choices

Choice (4) Response

a.

V, K, Br are not metals

b.

V, K are metals, Br is non-metal while Ge is metalloid

c.

V, K, Br are metals,

d.

Br is metal, K, V is non-metal, Ge is metalloid

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