Chemistry-Metals & Non Metals (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 1 - 5 of 16

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Question number: 1

» 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.

  • (ii)
  • (iv)
  • (iii)
  • (i)

b.

  • (ii)
  • (iv)
  • (i)
  • (iii)

c.

  • (iii)
  • (iv)
  • (i)
  • (ii)

d.

  • (i)
  • (iv)
  • (ii)
  • (iii)

Question number: 2

» 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: 3

» 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: 4

» Chemistry » Metals & Non Metals

Match List-Ⅰ List-Ⅱ▾

Question

Match the following:
List-Ⅰ (Element) List-Ⅱ (Discoverer)

(A)

Titanium

(i)

Carl Wihhelm Scheele

(B)

Barium

(ii)

Daniel Rutherford

(C)

Polonium

(iii)

William Gregor

(D)

Nitrogen

(iv)

Marie Curie, Pierre Curie

Choices

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

a.

  • (iv)
  • (ii)
  • (i)
  • (iii)

b.

  • (iii)
  • (i)
  • (iv)
  • (ii)

c.

  • (iii)
  • (iv)
  • (i)
  • (ii)

d.

  • (i)
  • (iii)
  • (ii)
  • (iv)

Question number: 5

» Chemistry » Metals & Non Metals

MCQ▾

Question

A compound ‘X’ is an allotrope of an element of atomic number 6. Compound ‘X’ is greyish-black in color. By nature, it is opaque and it is used in making ‘pencil leads’ and black paints. Identify the compound ‘X’.

Choices

Choice (4) Response

a.

Carbon

b.

Graphite

c.

Lead

d.

Fullerene

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