EASY
RPF Constable CBT 1
IMPORTANT
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How many neutrons are present in the nucleus of tritium? 

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Important Questions on Chemistry

EASY
RPF Constable CBT 1
IMPORTANT
Railway General Awareness Book>Chapter 49 - Chemistry>Practice Exercise>Q 92
Hydrogen can combine with other elements by _____.
EASY
RPF Constable CBT 1
IMPORTANT
Railway General Awareness Book>Chapter 49 - Chemistry>Practice Exercise>Q 93
Which inert gas is used in balloons?
EASY
RPF Constable CBT 1
IMPORTANT
Railway General Awareness Book>Chapter 49 - Chemistry>Practice Exercise>Q 94
Which of the following is not a noble gas? 
MEDIUM
RPF Constable CBT 1
IMPORTANT
Railway General Awareness Book>Chapter 49 - Chemistry>Practice Exercise>Q 95
A student by chance mixed acetone with alcohol. The mixture of acetone and alcohol can be separated by _____
MEDIUM
RPF Constable CBT 1
IMPORTANT
Railway General Awareness Book>Chapter 49 - Chemistry>Practice Exercise>Q 96
When the milk is churned vigorously the cream from it is separated out due to _____
EASY
RPF Constable CBT 1
IMPORTANT
Railway General Awareness Book>Chapter 49 - Chemistry>Practice Exercise>Q 97
The product of equivalent weight and valency of an element is equal to _____
EASY
RPF Constable CBT 1
IMPORTANT
Railway General Awareness Book>Chapter 49 - Chemistry>Practice Exercise>Q 98
Arrange the following in their increasing order of intermolecular forces of attraction. Stone, oil, nitrogen:
EASY
RPF Constable CBT 1
IMPORTANT
Railway General Awareness Book>Chapter 49 - Chemistry>Practice Exercise>Q 99
A molecule of a substance is similar to its atom for _____.