Chemistry (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 61 - 64 of 142

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Question number: 61

» Chemistry » Structure of Atom

Match List-Ⅰ List-Ⅱ▾

Question

Match the following:
List-Ⅰ (Name) List-Ⅱ (Formula)

(A)

Bleaching powder

(i)

Ca(ClO)2

(B)

Caustic soda

(ii)

HgS

(C)

Vermillion

(iii)

Na2B4O7⋅10H2O

(D)

Borax

(iv)

NaOH

Choices

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

a.

  • (iii)
  • (ii)
  • (iv)
  • (i)

b.

  • (i)
  • (ii)
  • (iii)
  • (iv)

c.

  • (i)
  • (iv)
  • (ii)
  • (iii)

d.

  • (iv)
  • (ii)
  • (iii)
  • (i)

Question number: 62

» Chemistry » Acid Bases and Salt

MCQ▾

Question

Observe the given figures and choose the correct alternative.

Three beakers containing different liquid

Three Beakers Containing Different Liquid

Find the correct relation given in options

Choices

Choice (4) Response

a.

pH of C > pH of A and B

b.

pH of A > pH of Band C

c.

pH of B > pH of A and C

d.

pH of A B and C are equal

Question number: 63

» Chemistry » Periodic Classification of Elements

MCQ▾

Question

Fe2O3+2Al>Al2O3+2Fe

Mg(s)+2HCl(aq)>MgCl2(aq)+H2(g)

The above two reactions are the example of

Choices

Choice (4) Response

a.

decomposition reaction

b.

double displacement reaction

c.

displacement reaction

d.

redox reaction

Question number: 64

» Chemistry » Metals & Non Metals

MCQ▾

Question

Consider the following statements

I. Lanthanide series includes metals from atomic number 57 to 71.

II. Lanthanum and Lutetium are the first and last metals of lanthanides.

Which of the above statement (s) is/are correct?

Choices

Choice (4) Response

a.

Only I

b.

Only II

c.

I and II

d.

None of the above

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