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
The pH value for water is
A) Nearly zero
B) Nearly 7
C) 5 or less than 5
D) 8.7 or more
Option b – Nearly 7
Which is the purest form of water?
A) Tap water
B) Seawater
C) Rainwater
D) Distilled water
Option c – Rainwater
Water is a good solvent for ionic salts because
A) It has a high boiling point
B) It has a high dipole moment
C) It has a high specific heat
D) It has no color
Option b – It has a high dipole moment
Large quantities of drinking water are prepared from impure water by
A) Desalination
B) Distillation
C) Ion-exchange
D) Decantation
Option a – Desalination
Which gas is used in the purification of drinking water?
A) Helium
B) Chlorine
C) Fluorine
D) Carbon Dioxide
Option b – Chlorine
By which process can seawater be converted into pure water?
A) Deliquescence
B) Efflorescence
C) Electric separation
D) Reverse osmosis
Option d – Reverse osmosis
The process used for transforming salty water into pure water is called
A) Deliquescence
B) Efflorescence
C) Electric separation
D) Reverse osmosis
Option d – Reverse osmosis
By which process does Alum clean the muddy water?
A) Absorption
B) Adsorption
C) Coagulation
D) Dialysis
Option c – Coagulation
The gas used in the manufacture of Vanaspati Ghee from Vanaspati Oil is
A) Hydrogen
B) Oxygen
C) Nitrogen
D) Carbon dioxide
Option a – Hydrogen
Hard water is not suitable for: 1. Drinking 2. Washing clothes with soap 3. Use in boilers 4. Irrigating crops. Which of these statements is correct?
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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