NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 1422 - 1429 of 1484

Access detailed explanations (illustrated with images and videos) to 1484 questions. Access all new questions- tracking exam pattern and syllabus. View the complete topic-wise distribution of questions. Unlimited Access, Unlimited Time, on Unlimited Devices!

View Sample Explanation or View Features.

Rs. 500.00 -OR-

How to register? Already Subscribed?

Question 1422

Question

MCQ▾

Phosphorous pentoxide in mainly used as?

Choices

Choice (4)Response

a.

Drying agent

b.

Reducing agent

c.

Hydrating agent

d.

Oxidizing agent

Question 1423

Question

MCQ▾

this reaction is an example of … process?

Choices

Choice (4)Response

a.

Self reduction

b.

Calcination

c.

Electrolysis

d.

Auto reduction

Question 1424

Question

MCQ▾

Which of the following base is more basic?

Choices

Choice (4)Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

Question 1425

Question

MCQ▾

Which of the following organic compound present in “Dettol” the antiseptic?

Choices

Choice (4)Response

a.

b.

c.

Phenol

d.

Benzene

Question 1426

Question

MCQ▾

Which of the following metal is used as reducing agent in thermite process?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 1427

Question

MCQ▾

Which observation is true from the following reactions

Choices

Choice (4)Response

a.

C is reduced

b.

Metal oxide oxidized

c.

Metal oxide reduced

d.

None of the above

Question 1428

Question

MCQ▾

Which of the following acid is strongest acid?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 1429

Question

MCQ▾

Select the metal from the following that does not react with sulphuric acid ?

Choices

Choice (4)Response

a.

Zinc

b.

Iron

c.

Magnesium

d.

Gold

Developed by: