Practice — Learns Academy

1

Stimulus

10 marks

In the classroom, the teacher was discussing the "What is Chemical Reaction?" section of the "Chemical Reaction" chapter. She said that understanding this concept makes the rest of the chapter's problems easier too.

aKnowledge1 mark

What is What is Chemical Reaction??

0 words · suggested 10+ keywords 0/2

bComprehension2 marks

Explain the importance of What is Chemical Reaction?.

0 words · suggested 22+ keywords 0/3

cApplication3 marks

Using the concept mentioned in the stimulus, show the steps to solve a problem.

0 words · suggested 30+ keywords 0/4

dHigher skill4 marks

How is What is Chemical Reaction? related to other concepts of the chapter — analyse and give your opinion.

0 words · suggested 40+ keywords 0/3

2

Stimulus

10 marks

A beaker contains 4 mol of HCl solution, to which an equal amount of NaOH is added.

Figure: neutralisation reaction setup

aKnowledge1 mark

What is a neutralisation reaction?

0 words · suggested 10+ keywords 0/4

bComprehension2 marks

Explain the concept of the mole.

0 words · suggested 20+ keywords 0/3

cApplication3 marks

Find the number of molecules present in 4 mole of HCl.

0 words · suggested 12+ keywords 0/2

dHigher skill4 marks

What will be the pH of the solution after the reaction — give your opinion with reasoning.

0 words · suggested 35+ keywords 0/3

3

Stimulus

10 marks

A beaker contains 3 mol of HCl solution, to which an equal amount of NaOH is added.

Figure: neutralisation reaction setup

aKnowledge1 mark

What is a neutralisation reaction?

0 words · suggested 10+ keywords 0/4

bComprehension2 marks

Explain the concept of the mole.

0 words · suggested 20+ keywords 0/3

cApplication3 marks

Find the number of molecules present in 3 mole of HCl.

0 words · suggested 12+ keywords 0/2

dHigher skill4 marks

What will be the pH of the solution after the reaction — give your opinion with reasoning.

0 words · suggested 35+ keywords 0/3

4

Stimulus

10 marks

A beaker contains 3 mol of HCl solution, to which an equal amount of NaOH is added.

Figure: neutralisation reaction setup

aKnowledge1 mark

What is a neutralisation reaction?

0 words · suggested 10+ keywords 0/4

bComprehension2 marks

Explain the concept of the mole.

0 words · suggested 20+ keywords 0/3

cApplication3 marks

Find the number of molecules present in 3 mole of HCl.

0 words · suggested 12+ keywords 0/2

dHigher skill4 marks

What will be the pH of the solution after the reaction — give your opinion with reasoning.

0 words · suggested 35+ keywords 0/3

5

Stimulus

10 marks

A beaker contains 1 mol of HCl solution, to which an equal amount of NaOH is added.

Figure: neutralisation reaction setup

aKnowledge1 mark

What is a neutralisation reaction?

0 words · suggested 10+ keywords 0/4

bComprehension2 marks

Explain the concept of the mole.

0 words · suggested 20+ keywords 0/3

cApplication3 marks

Find the number of molecules present in 1 mole of HCl.

0 words · suggested 12+ keywords 0/2

dHigher skill4 marks

What will be the pH of the solution after the reaction — give your opinion with reasoning.

0 words · suggested 35+ keywords 0/3

6

Stimulus

10 marks

In the classroom, the teacher was discussing the "What is Chemical Reaction?" section of the "Chemical Reaction" chapter. She said that understanding this concept makes the rest of the chapter's problems easier too.

aKnowledge1 mark

What is What is Chemical Reaction??

0 words · suggested 10+ keywords 0/2

bComprehension2 marks

Explain the importance of What is Chemical Reaction?.

0 words · suggested 22+ keywords 0/3

cApplication3 marks

Using the concept mentioned in the stimulus, show the steps to solve a problem.

0 words · suggested 30+ keywords 0/4

dHigher skill4 marks

How is What is Chemical Reaction? related to other concepts of the chapter — analyse and give your opinion.

0 words · suggested 40+ keywords 0/3