EASY
RPF Constable CBT 1
IMPORTANT
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Which one among the following metals is used in fireworks to make a brilliant white light?

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Important Questions on Chemistry

EASY
RPF Constable CBT 1
IMPORTANT
Railway General Awareness Book>Chapter 49 - Chemistry>Practice Exercise>Q 2
What is the chemical used by Gandhiji as a symbol of protest during the struggle for freedom? 
MEDIUM
RPF Constable CBT 1
IMPORTANT
Railway General Awareness Book>Chapter 49 - Chemistry>Practice Exercise>Q 3
Which allotrope of carbon is in rigid three-dimensional structures?
EASY
RPF Constable CBT 1
IMPORTANT
Railway General Awareness Book>Chapter 49 - Chemistry>Practice Exercise>Q 4
Which one among the following is not a mixture? 
EASY
RPF Constable CBT 1
IMPORTANT
Railway General Awareness Book>Chapter 49 - Chemistry>Practice Exercise>Q 5
Which one of the metals mentioned below is a liquid? 
EASY
RPF Constable CBT 1
IMPORTANT
Railway General Awareness Book>Chapter 49 - Chemistry>Practice Exercise>Q 6
Which gas is found dissolved in fizzy drinks?
EASY
RPF Constable CBT 1
IMPORTANT
Railway General Awareness Book>Chapter 49 - Chemistry>Practice Exercise>Q 7
Table salt is added while boiling vegetables as _____.
EASY
RPF Constable CBT 1
IMPORTANT
Railway General Awareness Book>Chapter 49 - Chemistry>Practice Exercise>Q 8
The acid that is present in curd is _____.
EASY
RPF Constable CBT 1
IMPORTANT
Railway General Awareness Book>Chapter 49 - Chemistry>Practice Exercise>Q 9
Vinegar, very commonly used in Chinese food, is actually _____.