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IMPORTANT
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Which gas is used as a fire extinguisher?

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Important Questions on Chemistry

EASY
RRB NTPC CBT 1
IMPORTANT
Study Package RRBs NTPC For Graduate & Under Graduate Posts ONLINE EXAM (1st Stage) 2019>Chapter 52 - Chemistry>Practice Exercise>Q 66
Which variety of coal contains recognisable traces of the original plant material?
EASY
RRB NTPC CBT 1
IMPORTANT
Study Package RRBs NTPC For Graduate & Under Graduate Posts ONLINE EXAM (1st Stage) 2019>Chapter 52 - Chemistry>Practice Exercise>Q 67
Petroleum consists of a mixture of : 
EASY
RRB NTPC CBT 1
IMPORTANT
Study Package RRBs NTPC For Graduate & Under Graduate Posts ONLINE EXAM (1st Stage) 2019>Chapter 52 - Chemistry>Practice Exercise>Q 68
Tetra ethyl lead (TEL) is _____.
EASY
RRB NTPC CBT 1
IMPORTANT
Study Package RRBs NTPC For Graduate & Under Graduate Posts ONLINE EXAM (1st Stage) 2019>Chapter 52 - Chemistry>Practice Exercise>Q 69
Which of the following is not a form of carbon?
EASY
RRB NTPC CBT 1
IMPORTANT
Study Package RRBs NTPC For Graduate & Under Graduate Posts ONLINE EXAM (1st Stage) 2019>Chapter 52 - Chemistry>Practice Exercise>Q 70
What is dry ice?
EASY
RRB NTPC CBT 1
IMPORTANT
Study Package RRBs NTPC For Graduate & Under Graduate Posts ONLINE EXAM (1st Stage) 2019>Chapter 52 - Chemistry>Practice Exercise>Q 71
Chemical decomposition of an organic compound by water is called as : 
EASY
RRB NTPC CBT 1
IMPORTANT
Study Package RRBs NTPC For Graduate & Under Graduate Posts ONLINE EXAM (1st Stage) 2019>Chapter 52 - Chemistry>Practice Exercise>Q 72
Which one of the following is used in making pencils?
EASY
RRB NTPC CBT 1
IMPORTANT
Study Package RRBs NTPC For Graduate & Under Graduate Posts ONLINE EXAM (1st Stage) 2019>Chapter 52 - Chemistry>Practice Exercise>Q 73
Gas used for artificial ripening of fruits is _____.