NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 829 - 835 of 3111

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Question 829

Question MCQ▾

Caffeine has a molecular weight of If it contains by mass of nitrogen, number of atoms of nitrogen in one molecule of caffeine is?

Choices

Choice (4)Response

a.

6

b.

4

c.

3

d.

2

Edit

Question 830

Question MCQ▾

Grams of hydrocarbon on combustion in excess of oxygen produces and The data illustrates the law of?

Choices

Choice (4)Response

a.

Conservation of mass

b.

Multiple proportions

c.

Reciprocal proportions

d.

Constant proportions

Edit

Question 831

Question MCQ▾

A new electron enters the orbital when?

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 832

Question MCQ▾

Find the Reactant a in the Equation

The reactant A is

Choices

Choice (4)Response

a.

2methyl 2 propanol

b.

C2H5OH

c.

CH3COOH

d.

CH3COCH3

Edit

Question 833

Question MCQ▾

Which one of the following phrases would be incorrect to use?

Choices

Choice (4)Response

a.

A mole of a compound

b.

An atom of an element

c.

An atom of a compound

d.

A mole of an element

Edit

Question 834

Question MCQ▾

One atom of an element weighs Calculate the number of gram atoms in of it?

Choices

Choice (4)Response

a.

400

b.

100

c.

4000

d.

1000

Edit

Question 835

Appeared in Year: 2016

Question MCQ▾

The compound that will react most readily with gaseous bromine has the formula:

Choices

Choice (4)Response

a.

b.

c.

d.

Edit