Chemistry-Atoms & Molecules [NSO Level 1- Science Olympiad (SOF) Class 9]: Questions 1 - 6 of 54

Access detailed explanations (illustrated with images and videos) to 1123 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. 450.00 or

How to register?

Question number: 1

» Chemistry » Atoms & Molecules

Edit
MCQ▾

Question

The ratio by number of atoms of hydrogen and oxygen in water is

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 2

» Chemistry » Atoms & Molecules

Edit
MCQ▾

Question

The molecular formulae of all the possible compounds formed from the given ions are (ions - -

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 3

» Chemistry » Atoms & Molecules

Edit
MCQ▾

Question

Identify the anion and cation in sodium chloride

Choices

Choice (4)Response

a.

Sodium and chlorine are anions

b.

Sodium is the cation and chlorine is the anion

c.

Chlorine is the cation and sodium is the anion

d.

Sodium and chlorine are cations

Question number: 4

» Chemistry » Atoms & Molecules

Edit
MCQ▾

Question

Which of the following symbols of elements are taken from their names in Latin?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 5

» Chemistry » Atoms & Molecules

Edit
MCQ▾

Question

Identify the Chemical formulae of compounds formed from the sets of elements in Nitrogen and Hydrogen

Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

Question number: 6

» Chemistry » Atoms & Molecules

Edit
MCQ▾

Question

Arrange the elements according to their atomicity

Argon, oxygen, chlorine, sodium

Choices

Choice (4)Response

a.

Argon and chlorine – diatomic, oxygen and sodium- monoatomic

b.

Argon and oxygen – monoatomic, chlorine and sodium - diatomic

c.

Oxygen and sodium – diatomic, Argon and chlorine- monoatomic

d.

Argon and oxygen- diatomic, chlorine and sodium– monoatomic

Developed by: