Hydrogen
Authored by Serah Antony
Chemistry
7th - 8th Grade
Used 41+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the occurrence of Hydrogen?
Free State
Combined State
Both
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
On Earth, free hydrogen occurs in..
Very large amounts
Everywhere
Very small amounts
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hydrogen is more common in the form of..
Compounds
Elements
Liquids
4.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Now-a-days, hydrogen is widely seen as the mass (a) of the future.
5.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
(a) process is used to prepare hydrogen
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
By the electrolysis of water, hydrogen is collected on a..
Large scale
Small scale
7.
FILL IN THE BLANKS QUESTION
2 mins • 1 pt
(a) is a process in which an electric current is passed through an aqueous solution of a compound to bring about a chemical change.
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