Chemistry (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 114 - 118 of 144

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Question number: 114

» Chemistry » Metals & Non Metals

MCQ▾

Question

Consider the following statements

I. It is the cheapest natural element.

II. Its atomic number is 88.

III. Francium and caecium are least electronegative elements.

Which of the about facts regarding francium is/are true?

Choices

Choice (4) Response

a.

I and II

b.

Only I

c.

Only III

d.

I and III

Question number: 115

» Chemistry » Periodic Classification of Elements

Match List-Ⅰ List-Ⅱ▾

Question

Match the following
List-Ⅰ (Reactants) List-Ⅱ (Products)

(A)

(i)

(B)

ZnCO3 (s

(ii)

(C)

(iii)

(D)

(iv)

Choices

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

a.

  • (ii)
  • (iii)
  • (i)
  • (iv)

b.

  • (iv)
  • (i)
  • (ii)
  • (iii)

c.

  • (iv)
  • (ii)
  • (iii)
  • (i)

d.

  • (iii)
  • (iv)
  • (ii)
  • (i)

Question number: 116

» Chemistry » Structure of Atom

MCQ▾

Question

Dry ice used to preserve food using non-cyclic refrigeration is the solid form of

Choices

Choice (4) Response

a.

CO2

b.

CO

c.

NO2

d.

N2

Question number: 117

» Chemistry » Physical and Chemical Changes

MCQ▾

Question

Consider the following statements

I. The first artificially synthesized organic molecule was urea.

II. Urea is also known as diaminomethanal.

Whichof the abovestatement (s) is/are correct?

Choices

Choice (4) Response

a.

I and II

b.

Neither I nor II

c.

Only II

d.

Only I

Question number: 118

» Chemistry » Structure of Atom

MCQ▾

Question

Consider the following statements

I. Positively charged ions are known as cations.

II. Negatively charged ions are known as anions.

Which of the about statement) is/are correct?

Choices

Choice (4) Response

a.

I and II

b.

Neither I nor II

c.

Only II

d.

Only I

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