EASY
JEE Main
IMPORTANT
Earn 100

Which statement is true about saline hydrides?
a. They are binary compounds of hydrogen and metallic elements.
b. They are crystalline solids.
c. They are generally volatile.
d. Their common examples are SiH4, CH4, etc.

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Important Questions on Hydrogen

MEDIUM
JEE Main
IMPORTANT
Chemistry Crash Course JEE Main>Chapter 16 - Hydrogen>Level 2>Q 17
Which of the following chemicals is not involved in the removal of hardness of oxidane?
MEDIUM
JEE Main
IMPORTANT
Chemistry Crash Course JEE Main>Chapter 16 - Hydrogen>Level 2>Q 18
NaPO36 is used as a water softening agent because it
MEDIUM
JEE Main
IMPORTANT
Chemistry Crash Course JEE Main>Chapter 16 - Hydrogen>Level 2>Q 19
Which of the following statements is incorrect?
MEDIUM
JEE Main
IMPORTANT
Chemistry Crash Course JEE Main>Chapter 16 - Hydrogen>Level 2>Q 21

The first ionisation energy for H, Li, F, Na has one of the following values in kJ mol-1.

 1681, 520, 1312, 495

 Which af these values corresponds to that of hydrogen?

MEDIUM
JEE Main
IMPORTANT
Chemistry Crash Course JEE Main>Chapter 16 - Hydrogen>Level 2>Q 22
Hydrogen from HCl can be prepared by:
EASY
JEE Main
IMPORTANT
Chemistry Crash Course JEE Main>Chapter 16 - Hydrogen>Level 2>Q 23
Which of the following represents a pair of covalent hydrides?
EASY
JEE Main
IMPORTANT
Chemistry Crash Course JEE Main>Chapter 16 - Hydrogen>Level 2>Q 25
The temperature of ______K is generated when atomic hydrogen is allowed to recombine on the surface to be welded.
EASY
JEE Main
IMPORTANT
Chemistry Crash Course JEE Main>Chapter 16 - Hydrogen>Level 2>Q 26
The molecular formula of super heavy water is ______