NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension: Questions 19 - 24 of 1042

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: 19

» 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: 20

» 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: 21

» Physics » Magnetism & Electricity at Work

MCQ▾

Question

If a 0.1 % length is increased due to stretching, then the percentage increase in its resistance will be

Choices

Choice (4) Response

a.

0.2%

b.

1 %

c.

0.1 %

d.

2 %

Question number: 22

» Biology » Human Body

MCQ▾

Question

Our skin, when exposed to excess sunlight, become dark. This is because our skin pigments called

Choices

Choice (4) Response

a.

flavoxanthin

b.

xanthophyll

c.

carotene

d.

melanin

Question number: 23

» Geography » Resources and Development

MCQ▾

Question

Intermediate goods are not considered in the gross domestic product because

Choices

Choice (4) Response

a.

they don’t have any economic value

b.

Their value is implicitly included in the prices of final goods

c.

All of the above

d.

Question does not provide sufficient data or is vague

Question number: 24

» 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.

  • (ii)
  • (iv)
  • (iii)
  • (i)

c.

  • (iv)
  • (i)
  • (iii)
  • (ii)

d.

  • (iii)
  • (ii)
  • (iv)
  • (i)

f Page
Sign In