Easy
617 likes
Question
Give an example of a covalent liquid.
WBBSE
Class X
Physical Science
Ionic and Covalent Bond
01 Mark
2022
Answer
An example of a covalent liquid is water (H2O).
Related Questions
More WBBSE Easy level questions
1/12
Moderate
Q.
Which of the following compounds has no existence as separate and distinct molecule?
A.
(d) NaCl Explanation: Ionic compounds like NaCl form a stable ionic network...
View Question
Easy
Q.
What is now used in electrical circuits instead of fuse wire?
A.
MCB / Miniature circuit breaker
View Question
Easy
Q.
What type of lens is used as a magnifying glass?
A.
Convex lens Explanation: Convex lens forms virtual, erect, magnified image for objects...
View Question
Easy
Q.
Name the greenhouse gas discharged from a refrigerator.
A.
CFC / HFC
View Question
Easy
Q.
Which layer of atmosphere is susceptible to storm and rain?
A.
Troposphere Explanation: Troposphere is the lowest layer nearest to Earth's surface, where...
View Question
Easy
Q.
Which metal is used as catalyst in Haber’s process for preparation of ammonia?
A.
The metal used as a catalyst in the Haber’s process for the...
View Question
Easy
Q.
Which gas is produced at the cathode during electrolysis of acidified water?
A.
Hydrogen. Explanation: In electrolysis of acidified water with Pt electrodes, H⁺ ions...
View Question
Easy
Q.
State True or False: Electrolysis always involves the process of oxidation-reduction.
A.
True. Explanation: Electrolysis drives chemical reactions using electrical energy, involving oxidation at...
View Question
Easy
Q.
Which one of the following is the unit of electrical energy? (a) Watt (b) Ohm...
A.
(c) Kilowatt-hour Explanation: Electrical power is defined as work done per unit...
View Question
Easy
Q.
Which type of mirror produces virtual, diminished and erect image?
A.
(c) Convex mirror Explanation: A convex mirror always forms an image which...
View Question
Easy
Q.
Which parameter remains unaltered during refraction of light?
A.
(c) Frequency Explanation: During refraction, a light ray bends because its speed...
View Question
Easy
Q.
The coefficient of thermal conduction depends on
A.
(b) property of the material of the conductor
View Question