Questions & Answers - Ask Your Doubts
Ask your doubts to Learn New things everyday
Filters
Latest Questions
Chemistry
Study of the1st element-hydrogen
The number of neutrons in heavy hydrogen atom is:
A.$0$
B.$1$
C.$2$
D.$3$

Chemistry
Study of the1st element-hydrogen
How does hydrogen occur in nature? What is another name of hydrogen?

Chemistry
Study of the1st element-hydrogen
Hydrogen is collected by the ------ displacement of --------?

Chemistry
Study of the1st element-hydrogen
The colour of hydrogen gas is pink
A.True
B.false

Chemistry
Study of the1st element-hydrogen
What is the charge of $H$ .
Chemistry
Study of the1st element-hydrogen
How many times Hydrogen is lighter than air?

Chemistry
Study of the1st element-hydrogen
What is the index of hydrogen deficiency? What is its formula?
Chemistry
Study of the1st element-hydrogen
Is hydrogen harmful to humans?
Chemistry
Study of the1st element-hydrogen
What nature does hydrogen show?

Chemistry
Study of the1st element-hydrogen
You have seen hydrogen balloons fly up in the air. What can you infer about the density of hydrogen from this?

Chemistry
Study of the1st element-hydrogen
What are the similarities between Hydrogen and Halogens?

Chemistry
Study of the1st element-hydrogen
Consider the following statements:
i.Atomic hydrogen is obtained by passing hydrogen through an electric arc.
ii.Hydrogen gas will not reduce heated aluminium oxide.
iii.Finely divided palladium absorbs large volumes of hydrogen gas.
iv.Pure nascent hydrogen is best obtained by reacting \[Na\] with \[{{C}_{2}}{{H}_{5}}OH.\]
Which of the above statement(s) is/are correct?
A.i. only
B.ii. only
C.i, ii and iii
D.ii, iii and iv

Prev
1
2
3
4
5
Next