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IMPORTANT
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The chemical formula of sodium carbonate is _____.

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Important Questions on Chemistry

EASY
RPF Constable CBT 1
IMPORTANT
Railway General Awareness Book>Chapter 49 - Chemistry>Practice Exercise>Q 130
Which of the following compounds does not possess water of crystallisation?
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RPF Constable CBT 1
IMPORTANT
Railway General Awareness Book>Chapter 49 - Chemistry>Practice Exercise>Q 131
_____ are comparatively poor conductors of heat.
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RPF Constable CBT 1
IMPORTANT
Railway General Awareness Book>Chapter 49 - Chemistry>Practice Exercise>Q 132
What are the constituents of bronze?
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RPF Constable CBT 1
IMPORTANT
Railway General Awareness Book>Chapter 49 - Chemistry>Practice Exercise>Q 133
Gold is mixed with copper to _____
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RPF Constable CBT 1
IMPORTANT
Railway General Awareness Book>Chapter 49 - Chemistry>Practice Exercise>Q 134
Solder is an alloy of _____
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RPF Constable CBT 1
IMPORTANT
Railway General Awareness Book>Chapter 49 - Chemistry>Practice Exercise>Q 135
Electric bulbs are usually filled with chemically-inactive gases like _____.
EASY
RPF Constable CBT 1
IMPORTANT
Railway General Awareness Book>Chapter 49 - Chemistry>Practice Exercise>Q 136
In the modern periodic table, which of the following periods has the maximum number of non-metals?
EASY
RPF Constable CBT 1
IMPORTANT
Railway General Awareness Book>Chapter 49 - Chemistry>Practice Exercise>Q 137
Which of these is not an alkaline earth metal?