You are currently viewing Extra MCQ Questions for Class 10 Science Chemical Reactions and Equations

Extra MCQ Questions for Class 10 Science Chemical Reactions and Equations

If you are preparing for CBSE Class 10 Board Exam Term 1 which will be an objective type questions paper, then you need to practice multiple choice questions of Class 10 Math Chapterwise. In this article of AKVTutorials, you will get Extra MCQ Questions for Class 10 Science Chemical Reactions and Equations.

MCQ Questions for Class 10 Chemical Reactions and Equations Question No 31:

When white silver chloride is left exposed to sunlight, Its colors becomes: 

Option A : Gray

Option B : Yellow

Option C : Green 

Option D : Red

Show/Hide Answer

Option A : Gray

MCQ Questions for Class 10 Chemical Reactions and Equations Question No 32:

In the double displacement reaction between aqueous potassium iodide and aqueous lead nitrate, a yellow precipitate of lead iodide is formed. While performing the activity if lead nitrate is not available, which of the following can be used in place of lead nitrate? 

Option A : Lead sulphate (insoluble)

Option B : Lead acetate

Option C : Ammonium nitrate)

Option D : Potassium sulphate

Show/Hide Answer

Option B : Lead acetate

MCQ Questions for Class 10 Chemical Reactions and Equations Question No 33:

What type of chemical reactions take place when electricity is passed through water?

Option A : Displacement

Option B : Combination

Option C : Decomposition

Option D : Double displacement

Show/Hide Answer

Option C : Decomposition

MCQ Questions for Class 10 Chemical Reactions and Equations Question No 34:

Complete the following chemical reaction with correct option:
Pb(NO3)2 + 2KI → ……. + 2KNO3

Option A : PbI2

Option B : PbNO3

Option C : Pb(NO3)2

Option D : PbIO3

Show/Hide Answer

Option A : PbI2

MCQ Questions for Class 10 Chemical Reactions and Equations Question No 35:

Which of the following gases can be used for storage of fresh sample of an oil for a long time?

Option A : Carbon dioxide or oxygen

Option B : Nitrogen or oxygen

Option C : Carbon dioxide or helium

Option D : Helium or nitrogen

Show/Hide Answer

Option D : Helium or nitrogen

MCQ Questions for Class 10 Chemical Reactions and Equations Question No 36:

Select the oxidizing agent for the following reaction:
H2S + I2 > 2HI + S

Option A : I2

Option B : H2S

Option C : HI

Option D : S

Show/Hide Answer

Option A : CaOCl2

MCQ Questions for Class 10 Chemical Reactions and Equations Question No 37:

Which of the following is not a chemical reaction?

Option A : Souring of milk

Option B : Dissolution of sugar in water

Option C : Rusting of iron

Option D : Digestion of food in the body

Show/Hide Answer

Option B : Dissolution of sugar in water

MCQ Questions for Class 10 Chemical Reactions and Equations Question No 38:

Which one of the following processes involve chemical reactions?

Option A : Storing of oxygen gas under pressure in a gas cylinder

Option B : Liquefaction of air

Option C : Keeping petrol in a china dish in the open

Option D : Heating copper wire in presence of air at high temperature

Show/Hide Answer

Option D : Heating copper wire in presence of air at high temperature

MCQ Questions for Class 10 Chemical Reactions and Equations Question No 39:

When Ag is exposed to air it gets a black coating of

Option A : Oxidant

Option B : Rancid

Option C : Coolant

Option D : Antioxidant

Show/Hide Answer

Option D : Antioxidant

MCQ Questions for Class 10 Chemical Reactions and Equations Question No 40:

Na2CO3 + XHCL → 2NaCl + CO2 + H2O

In above reaction, the value of X is:

Option A : 1

Option B : 2

Option C : 3

Option D : 4

Show/Hide Answer

Option B : 2

CBSE Class 10 Science Chapterwise MCQ
1 : Chemical Reactions & Equations MCQs
| 1 to 10 | 11 to 20
2 : Acids, Bases & Salts MCQs
| 1 to 10 | 11 to 20
3 : Metals & Non-Metals MCQs
| 1 to 10 | 11 to 20
4 : Carbon & Its Compound MCQs
| 1 to 10 | 11 to 20
5 : Periodic Classification of Elements MCQs
| 1 to 10 | 11 to 20
6 : Life Process MCQs
| 1 to 10 | 11 to 20
7 : Control & Coordination MCQs
| 1 to 10 | 11 to 20
8 : How Do Organism Reproduce MCQs
| 1 to 10 | 11 to 20
9 : Heredity & Evolution MCQs
| 1 to 10 | 11 to 20
10 : Light Reflection & Refraction MCQs
| 1 to 10 | 11 to 20
11 : Human Eye & Colorful World MCQs
| 1 to 10 | 11 to 20
12 : Electricity MCQs
| 1 to 10 | 11 to 20
13 : Magnetic Effect of Electric Current MCQs
| 1 to 10 | 11 to 20
14 : Source of Energy MCQs
| 1 to 10 | 11 to 20
15 : Our Environment MCQs
| 1 to 10 | 11 to 20
16 : Management of Natural Resources MCQs
| 1 to 10 | 11 to 20

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