EASY
10th CBSE
IMPORTANT
Earn 100

Why the chips manufacturers usually flush bags of chips with nitrogen gas? 

Important Questions on Chemical Reactions and Equations

EASY
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 1 - Chemical Reactions and Equations>PRACTICE QUESTIONS SET>Q 4
Explain two ways by which food industries prevent rancidity.
MEDIUM
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 1 - Chemical Reactions and Equations>PRACTICE QUESTIONS SET>Q 4
Discuss the importance of decomposition reaction in metal industries with three points.   
EASY
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 1 - Chemical Reactions and Equations>PRACTICE QUESTIONS SET>Q 5
Explain two ways by which rancidity of food materials can be checked.
MEDIUM
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 1 - Chemical Reactions and Equations>SELF-EVALUATION TEST>Q 1
What is a redox reaction? When a magnesium ribbon burns in air with a dazzling flame to form white ash, is magnesium oxidised or reduced?.
MEDIUM
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 1 - Chemical Reactions and Equations>SELF-EVALUATION TEST>Q 2

Write the balanced chemical equation for the following:

Carbon monoxide (g) + Hydrogen (g) → Methyl alcohol (l)

MEDIUM
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 1 - Chemical Reactions and Equations>SELF-EVALUATION TEST>Q 2

Write the balanced chemical equation for the following:

Zinc (s) + Calcium chloride (aq) → Zinc chloride (aq) + Calcium (s) 

EASY
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 1 - Chemical Reactions and Equations>SELF-EVALUATION TEST>Q 3
Suggest two ways to check the rancidity of food. 
MEDIUM
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 1 - Chemical Reactions and Equations>SELF-EVALUATION TEST>Q 4

Solid calcium oxide was taken in container and water was added slowly to it.

Write the observation.