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Chemistry

Chemistry
Which of the following is not present in RNA

Ribose
Phosphate
Uracil
Thymine

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Chemistry
Highly toxic gas which causes headache, visual difficulty, paralysis and even death is

CO
O3
CO2
All of these

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Chemistry
Which of the following is chiefly present in LPG (Liquefied Petroleum Gas) ?

Butane
Methane
Ethane
Propane

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Chemistry
Which of the following laser types is used in a laser printer?

Dye laser
Excimer laser
Gas laser
Semiconductor laser

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Chemistry
________ is a by product of sewage treatment and can be decomposed to produce biogas

Sewage
Scum
Sewer
Sludge

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Chemistry
Philosopher’s Wool is

Zinc carbonate
Zinc oxide
Zinc sulphate
Zinc blende

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MORE MCQ ON Chemistry

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