Chemistry (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 113 - 120 of 142

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Question number: 113

» Chemistry » Physical and Chemical Changes

MCQ▾

Question

The best method to separate the dyes from ink is

Choices

Choice (4) Response

a.

Filtration

b.

Sublimation

c.

Distillation

d.

Chromatography

Question number: 114

» Chemistry » Metals & Non Metals

MCQ▾

Question

The metal constituent of chlorophyll is

Choices

Choice (4) Response

a.

Potassium

b.

Manganese

c.

Magnesium

d.

Iron

Question number: 115

» Chemistry » Carbon and Its Compounds

MCQ▾

Question

The major portion of combustible part of gobar gas is

Choices

Choice (4) Response

a.

Ethane

b.

Ethylene

c.

Acetylene

d.

Methane

Question number: 116

» Chemistry » Fibres and Plastics

MCQ▾

Question

Which of the following will be suitable for coating dress materials of fire-men?

Choices

Choice (4) Response

a.

Acrylic

b.

Nylon

c.

Melamine

d.

Polyester

Question number: 117

» Chemistry » Structure of Atom

MCQ▾

Question

The electronic configuration of chlorine with atomic number 17 is

Choices

Choice (4) Response

a.

2, 9, 9

b.

2, 9, 6

c.

2, 10, 7

d.

2, 8, 7

Question number: 118

» Chemistry » Structure of Atom

MCQ▾

Question

Neutron was discovered by

Choices

Choice (4) Response

a.

Rutherford

b.

James Chadwick

c.

Goldstein

d.

J. J. Thomson

Question number: 119

» Chemistry » Structure of Atom

Match List-Ⅰ List-Ⅱ▾

Question

Match the following Compound Formula
List-Ⅰ (List 1) List-Ⅱ (List II)

(A)

Baking soda

(i)

NaCl Codes

(B)

Rock salt

(ii)

Na2CO3

(C)

Washing soda

(iii)

NaHCO3

(D)

Alum

(iv)

KAl(SO4)2·12H2O

Choices

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

a.

  • (iii)
  • (i)
  • (ii)
  • (iv)

b.

  • (i)
  • (iii)
  • (ii)
  • (iv)

c.

  • (iv)
  • (iii)
  • (ii)
  • (i)

d.

  • (ii)
  • (i)
  • (iv)
  • (iii)

Question number: 120

» 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

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