Chemical Formulae and Chemical Equations MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Chemical Formulae and Chemical Equations, a fundamental topic in the field of Chemistry. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Chemical Formulae and Chemical Equations MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Chemical Formulae and Chemical Equations mcq questions that explore various aspects of Chemical Formulae and Chemical Equations problems. Each MCQ is crafted to challenge your understanding of Chemical Formulae and Chemical Equations principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Chemistry tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Chemical Formulae and Chemical Equations MCQs are your pathway to success in mastering this essential Chemistry topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Chemical Formulae and Chemical Equations. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Chemical Formulae and Chemical Equations knowledge to the test? Let's get started with our carefully curated MCQs!

Chemical Formulae and Chemical Equations MCQs | Page 13 of 28

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Q121.
Consider Calcium Carbonate (CaCOโ‚ƒ) and Hydrochloric Acid (HCl) as reactants, molecules of Hydrochloric Acid (HCl) required to balance equation will be

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (b).2
Q122.
State symbol indicate the
Discuss
Answer: (a).state form
Q123.
Butane (Cโ‚„Hโ‚โ‚€)molecular weight is
Discuss
Answer: (a).58.122g/mol
Discuss
Answer: (b).that for each ion of Ca, two ions of hydrogen carbonate are required
Q125.
Chemical formula of Magnesium Carbonate is
Discuss
Answer: (b).MgCOโ‚ƒ
Q126.
If valency of both Calcium and Sulphate ion is 2, formula of calcium sulphate will be
Discuss
Answer: (b).CaSOโ‚„
Q127.
In 10Hโ‚‚O, total units of water molecules are
Discuss
Answer: (c).180
Discuss
Answer: (c).group of atoms
Q129.
While calculating empirical formula, simplest ratio is obtained by dividing
Discuss
Answer: (a).the smallest number
Q130.
To balance Al(OH)โ‚ƒ + HNOโ‚ƒ โ†’ Al(NOโ‚ƒ)โ‚ƒ + Hโ‚‚O, number of Hโ‚‚O molecules produced will be

a.

2

b.

4

c.

6

d.

8

Discuss
Answer: (c).6