Chemistry (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 119 - 123 of 144

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Question number: 119

» Chemistry » Acid Bases and Salt

MCQ▾

Question

In an average adult human body, the amount of is about

Choices

Choice (4) Response

a.

240 g

b.

250 g

c.

260 g

d.

280 g

Question number: 120

» Chemistry » Physical and Chemical Changes

MCQ▾

Question

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 121

» Chemistry » Physical and Chemical Changes

MCQ▾

Question

A gas can be liquefied by

Choices

Choice (4) Response

a.

Increasing the pressure and lowering the temperature

b.

Increasing the temperature

c.

Lowering the temperature

d.

Increasing the pressure

Question number: 122

» Chemistry » Metals & Non Metals

Match List-Ⅰ List-Ⅱ▾

Question

Match the following
List-Ⅰ (Alloy) List-Ⅱ (Use)

(A)

Duralumin

(i)

Rockets

(B)

Brass

(ii)

Knives of blades

(C)

Stainless steel

(iii)

Utensils, pipes, nut

(D)

Bronze

(iv)

Coins

Choices

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

a.

  • (i)
  • (iii)
  • (ii)
  • (iv)

b.

  • (i)
  • (ii)
  • (iii)
  • (iv)

c.

  • (i)
  • (ii)
  • (iv)
  • (iii)

d.

  • (iii)
  • (i)
  • (iv)
  • (ii)

Question number: 123

» Chemistry » Periodic Classification of Elements

Match List-Ⅰ List-Ⅱ▾

Question

Match the following
List-Ⅰ (Example Of Reaction) List-Ⅱ (Type Of Reaction)

(A)

(i)

Displacement reaction

(B)

(ii)

Precipitation reaction

(C)

(iii)

Decomposition reaction

(D)

(iv)

Combination reaction

Choices

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

a.

  • (ii)
  • (iv)
  • (i)
  • (iii)

b.

  • (ii)
  • (iv)
  • (iii)
  • (i)

c.

  • (ii)
  • (i)
  • (iv)
  • (iii)

d.

  • (i)
  • (ii)
  • (iii)
  • (iv)

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