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Hydrogen Class 11 mcq. We covered all the Hydrogen Class 11 mcq in this post for free so that you can practice well for the exam.
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Hydrogen Class 11 Objective mcq for Students
What is the approximate pH value of pure water?
A) Close to zero
B) Around 7
C) About 5 or below
D) Around 8.7 or higher
Option b – Around 7
Which of the following is considered the cleanest form of water?
A) Tap water
B) Sea water
C) Rainwater
D) Distilled water
Option c – Rainwater
Water dissolves ionic Salts effectively because it
A) Has a high boiling point
B) Possesses a strong dipole moment
C) Has high specific Heat capacity
D) Is colourless
Option b – Possesses a strong dipole moment
Large-scale production of drinking water from impure sources is mainly done by
A) Desalination
B) Distillation
C) Ion exchange
D) Decantation
Option a – Desalination
Which gas is commonly added to drinking water for purification?
A) Helium
B) Chlorine
C) Fluorine
D) Carbon dioxide
Option b – Chlorine
Which method is used to convert seawater into fresh water?
A) Deliquescence
B) Efflorescence
C) Electrical separation
D) Reverse osmosis
Option d – Reverse osmosis
The conversion of saline water into potable water is known as
A) Deliquescence
B) Efflorescence
C) Electrical separation
D) Reverse osmosis
Option d – Reverse osmosis
Alum purifies muddy water mainly through the process of
A) Absorption
B) Adsorption
C) Coagulation
D) Dialysis
Option c – Coagulation
Which gas is used to convert vegetable oil into vanaspati ghee?
A) Hydrogen
B) Oxygen
C) Nitrogen
D) Carbon dioxide
Option a – Hydrogen
Hard water is unsuitable for which of the following uses?. 1. Drinking 2. Washing clothes with soap 3. Use in boilers 4. Irrigation of crops
A) Only 1 and 2
B) Only 2 and 3
C) Only 1, 2, and 4
D) 1, 2, 3, and 4
Option d – 1, 2, 3, and 4
We covered all the hydrogen Class 11 mcq above in this post for free so that you can practice well for the exam.
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