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Chemistry

Chemistry
Which among the following is used as a catalyst in the production of high octane fuels?

HCl
HNO3
HF
H2SO4

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Chemistry
Chloroform can be used as

Antimalarial
Anaesthetic
Antibiotic
Analgesic

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Chemistry
Greenhouse effect is caused by

Carbon dioxide
Nitrogen
Carbon monoxide
Nitrogen dioxide

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Chemistry
Two moles of an ideal gas expand freely into vacuum. The work done by the gas is

4J
Infinity
2J

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Chemistry
The structure of NaCl crystal is

Square planar
Face centered cubic
Octahedral
Body centered cubic

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Chemistry
Suspension particles have the size between

10–1 – 10–2 cm
10–5 – 10–7cm
10–8 – 10–10cm
10–2 – 10–4 cm

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