HARD
DRDO MTS Tier - II
IMPORTANT
Earn 100

Consider the following statements:

I. Diamond is hard and graphite is soft.

II. Diamond is soft and graphite is hard.

III. Diamond is a bad conductor but graphite is a good conductor

IV. Diamond is a good conductor but graphite is a bad conductor.

Which of the statements given above is/are correct?

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Important Questions on Chemistry

MEDIUM
DRDO MTS Tier - II
IMPORTANT
General Science for Competitive Exams>Chapter 2 - Chemistry>MCQs>Q 174
The most important raw materials used in the manufacture of cement are:
EASY
DRDO MTS Tier - II
IMPORTANT
General Science for Competitive Exams>Chapter 2 - Chemistry>MCQs>Q 176
Which of the following is a source of methane?
EASY
DRDO MTS Tier - II
IMPORTANT
General Science for Competitive Exams>Chapter 2 - Chemistry>MCQs>Q 187
Gobar gas contains mainly:
EASY
DRDO MTS Tier - II
IMPORTANT
General Science for Competitive Exams>Chapter 2 - Chemistry>MCQs>Q 190
The filament of an electric bulb is made of _____.
EASY
DRDO MTS Tier - II
IMPORTANT
General Science for Competitive Exams>Chapter 2 - Chemistry>MCQs>Q 191

Consider the following statements regarding graphite:

I. It is an allotrope of carbon

II. It is a good conductor of heat and electricity.

III. It can be artificially produced.

Of these statements:

MEDIUM
DRDO MTS Tier - II
IMPORTANT
General Science for Competitive Exams>Chapter 2 - Chemistry>MCQs>Q 192
Carbon, diamond and graphite are together called _____.
EASY
DRDO MTS Tier - II
IMPORTANT
General Science for Competitive Exams>Chapter 2 - Chemistry>MCQs>Q 194
Which of the following metals was first discovered by man?
MEDIUM
DRDO MTS Tier - II
IMPORTANT
General Science for Competitive Exams>Chapter 2 - Chemistry>MCQs>Q 195
Among the various allotropes of carbon: