NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 1417 - 1424 of 1484

Access detailed explanations (illustrated with images and videos) to 1484 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Unlimited Access for Unlimited Time!

View Sample Explanation or View Features.

Rs. 500.00 or

How to register?

Question number: 1417

» Chemistry » Acids, Bases and Salts

Edit
MCQ▾

Question

On the basis of scale and theory, what is the nature of blood?

Choices

Choice (4)Response

a.

Highly alkaline

b.

Neutral

c.

Slightly acidic

d.

Slightly alkaline

Question number: 1418

» Chemistry » Carbon and Its Compounds

Edit
MCQ▾

Question

Identify the allotropic of carbon from the following?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1419

» Chemistry » Carbon and Its Compounds

Edit
MCQ▾

Question

What is the product formed when ethanoic acid react with carbonates along with and ?

Choices

Choice (4)Response

a.

Acetic acid

b.

Ethane

c.

Hydrogen peroxide

d.

Sodium acetate

Question number: 1420

» Chemistry » Acids, Bases and Salts

Edit
MCQ▾

Question

Which of the following acids are diprotic acid?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1421

» Chemistry » Carbon and Its Compounds

Edit
MCQ▾

Question

Image of the chemical reaction

Image of the Chemical Reaction

What is X in the above reaction?

Choices

Choice (4)Response

a.

Butanoic acid

b.

Propanoic acid

c.

Ester

d.

None of the above

Question number: 1422

» Chemistry » Metals and Non-Metals

Edit
MCQ▾

Question

Phosphorous pentoxide in mainly used as?

Choices

Choice (4)Response

a.

Drying agent

b.

Reducing agent

c.

Hydrating agent

d.

Oxidizing agent

Question number: 1423

» Chemistry » Metals and Non-Metals

Edit
MCQ▾

Question

this reaction is an example of ……………process?

Choices

Choice (4)Response

a.

Self reduction

b.

Calcination

c.

Electrolysis

d.

Auto reduction

Question number: 1424

» Chemistry » Acids, Bases and Salts

Edit
MCQ▾

Question

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

Developed by: