Chemistry (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 1 - 5 of 142

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 1042 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 450.00 or

Question number: 1

» Chemistry » Structure of Atom

MCQ▾

Question

35/17 Cl and 37/17 Cl differ from each other in respect of number of

Choices

Choice (4) Response

a.

protons

b.

electrons

c.

neutrons

d.

None of the above

Question number: 2

» Chemistry » Metals & Non Metals

Match List-Ⅰ List-Ⅱ▾

Question

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

(A)

Brass

(i)

Coins

(B)

Stainless steel

(ii)

Rockets

(C)

Bronze

(iii)

Utensils, pipes, nut

(D)

Duralumin

(iv)

Knives of blades

Choices

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

a.

  • (iii)
  • (iv)
  • (i)
  • (ii)

b.

  • (ii)
  • (iv)
  • (iii)
  • (i)

c.

  • (ii)
  • (iv)
  • (i)
  • (iii)

d.

  • (i)
  • (iv)
  • (ii)
  • (iii)

Question number: 3

» Chemistry » Metals & Non Metals

MCQ▾

Question

Which of the following elements are more reactive than hydrogen?

Hg, K, Ni, Co, Cu, Pt

Choices

Choice (4) Response

a.

K, Ni, Co

b.

Cu, Pt, Ni

c.

Hg, Co, Cu

d.

Hg, K, Pt

Question number: 4

» Chemistry » Metals & Non Metals

MCQ▾

Question

Which metal is the best conductor of electricity?

Choices

Choice (4) Response

a.

Sodium

b.

Gold

c.

Aluminum

d.

Silver

Question number: 5

» 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)

CH 4 (g) +2O 2 (g) – > CO 2 (g) +2H 2 O (g)

(i)

Precipitation reaction

(B)

2AgCI (s) – > 2Ag (s) + CI 2 (g)

(ii)

Combination reaction

(C)

Fe (s) +CuSO 4 (aq) – > FeSO 4 (aq) + Cu (s)

(iii)

Displacement reaction

(D)

AgNO 3 + HCI – > AgCI + HNO 3

(iv)

Decomposition reaction

Choices

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

a.

  • (ii)
  • (iii)
  • (i)
  • (iv)

b.

  • (iv)
  • (i)
  • (iii)
  • (ii)

c.

  • (ii)
  • (iv)
  • (iii)
  • (i)

d.

  • (iii)
  • (ii)
  • (iv)
  • (i)

Sign In