Question : Which of the following statement(s) is/are correct?
I.Bakelite is a good conductor of heat
II.Bakelite is a poor conductor of electricity
III. Bakelite can be softened by heating.
Option 1: Only I and II
Option 2: Only I and III
Option 3: Only II
Option 4: All I, II and III
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Correct Answer: Only II
Solution : The correct answer is Only II.
The first synthetic plastic is Bakelite. It is also a thermosetting plastic. This synthetic plastic is created through the condensation reaction of formaldehyde and phenol. The resultant polymer is stiff and chemically resistant. It is also a poor heat and electrical conductor. Bakelite was originally used in electrical applications, including plugs, insulators, and switches.
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Question : Which of the following is a type of connective tissue?
I. Blood II. Bone III. Ligament
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I. It expands and occupies more space. II. It becomes heavier on heating.
Question : Identify the correct statement/s regarding budgetary deficit?
i. Deficit acts as a flow that adds to the stock of the debt.
ii. Deficit acts as stock, which is independent of debt.
iii. Deficit acts as a burden on the future generation.
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I. understand II. Interpret III. manipulate
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