NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension: Questions 383 - 387 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: 383

» Chemistry » Physical and Chemical Changes

MCQ▾

Question

Consider the following statements

I. Pyrolusite is the ore of zinc.

II. Calamine is the ore of manganese.

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

Choices

Choice (4) Response
a.

I and II

b.

I nor II

c.

Only I

d.

Only II

Question number: 384

» Physics » Light

MCQ▾

Question

To get three images of a single object, one should have two plane mirrors at an angle of

Choices

Choice (4) Response
a.

30°

b.

60°

c.

90°

d.

150°

Question number: 385

» Chemistry » Periodic Classification of Elements

Match List-Ⅰ List-Ⅱ▾

Question

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

(A)

2Al(s)+6HCl(aq)

(i)

2KOH

(B)

Na2O(s)+H2O(l)

(ii)

2NaOH

(C)

K2O(s)+H2O(l)

(iii)

2AlCl3(aq)+3H2(g)

Choices

Choice (4) Response
  • (A)
  • (B)
  • (C)
a.
  • (i)
  • (iii)
  • (ii)
b.
  • (iii)
  • (ii)
  • (i)
c.
  • (iii)
  • (i)
  • (ii)
d.
  • (ii)
  • (iii)
  • (i)

Question number: 386

» Physics » Work and Energy

MCQ▾

Question

A glass jug is to be made that does not break when boiling water is poured onto it two possibilities are

I. Using thick glass.

II. Using thin glass.

III. Using glass that expands greatly when heated.

IV. Using glass that expands little when heated.

Which two choices would be best?

Choices

Choice (4) Response
a.

II and IV

b.

I and IV

c.

I and III

d.

II and III

Question number: 387

» Physics » Magnetism & Electricity at Work

MCQ▾

Question

The given figure represents a material which is

The image is A material .

The Image Is a Material.

Find the type of the material

Choices

Choice (4) Response
a.

paramagnetic

b.

diamagnetic

c.

ferromagnetic

d. All of the above

Sign In