NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 1390 - 1396 of 1484

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Question number: 1390

» Chemistry » Chemical Reactions and Equations

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MCQ▾

Question

Name the reaction in which compound is broken down into two or more substances?

Choices

Choice (4) Response

a.

Composition Reaction

b.

Combination Reaction

c.

Displacement Reaction

d.

Question does not provide sufficient data or is vague

Question number: 1391

» Chemistry » Chemical Reactions and Equations

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MCQ▾

Question

What type of reaction is

Choices

Choice (4) Response

a.

Oxidation reaction

b.

Redox reaction

c.

Reduction reaction

d.

None of the above

Question number: 1392

» Chemistry » Acids, Bases and Salts

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Question

………… acid is used for producing explosives?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1393

» Chemistry » Periodic Classification of Elements

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MCQ▾

Question

The element with atomic number 35 belongs to which of the following block?

Choices

Choice (4) Response

a.

d block

b.

f block

c.

s block

d.

p block

Question number: 1394

» Chemistry » Periodic Classification of Elements

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MCQ▾

Question

Among the following elements which is not liquid at room temperature?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1395

» Chemistry » Periodic Classification of Elements

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MCQ▾

Question

In the periodic table which one of the following trends is not correct across the periods?

Choices

Choice (4) Response

a.

Electronegative to electropositive

b.

Base to acid forming

c.

Metallic to non – metallic

d.

Reducing to oxidizing

Question number: 1396

» Chemistry » Chemical Reactions and Equations

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MCQ▾

Question

What are and in the above reaction?

Choices

Choice (4) Response

a.

b.

c.

d.

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