NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 1381 - 1388 of 1484

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Question 1381

Question

MCQ▾

Name the calcium compound which does not increase the of acidic solution?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 1382

Question

MCQ▾

If we go from to in the second period, there would be a decrease in?

Choices

Choice (4)Response

a.

Electronegativity

b.

Atomic radii

c.

Ionization enthalpy

d.

Atomic mass

Question 1383

Question

MCQ▾

The correct order of increasing electron affinity of halogen is?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 1384

Question

MCQ▾

Lanthanide contraction explains?

Choices

Choice (4)Response

a.

Size of the atoms of the series

b.

Density of the series

c.

Atomic volume of the series

d.

Chemical activity of the series

Question 1385

Question

MCQ▾

The correct order of atomic or ionic size is?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 1386

Question

MCQ▾

A reaction in which substances undergo change to produce new substances with new properties is called?

Choices

Choice (4)Response

a.

A physical reaction

b.

A biochemical reaction

c.

A chemical reaction

d.

A nuclear reaction

Question 1387

Question

MCQ▾

The correct order of relative stability of half filled and completely filled shell is?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 1388

Question

MCQ▾

Name the reaction does a solid get separated from the solution?

Choices

Choice (4)Response

a.

Redox reaction

b.

Precipitation reaction

c.

Neutralisation reaction

d.

Question does not provide sufficient data or is vague

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