Chemical Processes

Total Questions: 15

1 - Breaking water up by separating it hydrogen and oxygen is called----?

A ) Displacement
B ) Electrolysis ✅
C ) Combination
D ) Redox

2 - The water escape from surface of water is----:
A ) Evaporation ✅
B ) Condensation
C ) Sublimation
D ) None of these

3 - When a gas is turned into a liquid the process is known as----:
A ) Evaporation
B ) Condensation ✅
C ) Sublimation
D ) Deposition

4 - What is the method used to purify water?

A ) Sublimation
B ) Filtration ✅
C ) extraction
D ) None of these

5 - The process where are solid converter directly into a gas without becoming a liquid is called?

A ) Melting
B ) Sublimation ✅
C ) Freezing
D ) Condensation

6 - The process by which a substance absorbs moisture upon exposure to the atmosphere is called?

A ) Dehydrogenation
B ) Desalination
C ) Efflorescence
D ) Deliquesce ✅

7 - The structural and functional unit of environment-----:
A ) Biome
B ) Ecosystem ✅
C ) Biosphere
D ) None of these

8 - The first process in a petroleum refinery is known as----:
A ) Distillation ✅
B ) Improve octane number
C ) Reforming
D ) None of these

9 - Cooking oil can be converted into vegetable ghee by the process of----:
A ) Hydrogenation ✅
B ) Distillation
C ) Oxidation
D ) Crystallization

10 - ؟مارجرین کی عمل سے تیار ہوتی ہے
A ) ہائیڈروجنیشن ✅
B ) فرمنٹیشن
C ) کنڈنسیشن
D ) ایتھر فیکیشن

11 - What is the name of place where leather is tanned?

A ) Tannery ✅
B ) Distillation
C ) Mill
D ) Foundry

12 - Which process is used to purify water by boiling it and then condensing the vapour?

A ) Filtration
B ) Sedimentation
C ) Distillation ✅
D ) Reverse osmosis

13 - What is the process by which water vapour turned into ice directly,?

A ) Evaporation
B ) Freezing
C ) Deposition ✅
D ) Condensation

14 - Which process is used for separating components of a mixture by explorering their different solubilities?

A ) Distillation
B ) Filtration
C ) Chromatography ✅
D ) Sedimentation

15 - The process of drawing of substance by removing moisture from it is called----?
A ) Dehydration ✅
B ) Sublimation
C ) Decoration
D ) Condensation
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