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Chemistry

Chemistry
The nuclear particles which are assumed to hold the nucleons together are

mesons
electrons
neutrons
positrons

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Chemistry
Which of the following produces highest amount of energy upon oxidation?

An alkane
Fat
Protein
Glucose

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Chemistry
A subshell with l=2 can take up

5 electron
8 electron
10 electron
3 electron

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Chemistry
What happens when a chemical bond is formed ?

More energy is released than is absorbed
Energy is neither released nor absorbed
Energy is always absorbed
Energy in always released

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Chemistry
The natural source of hydro-carbon is

Coal
Crude oil
Biomass
Carbohydrates

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Chemistry
Which of the following is used as non-stick coating for cooking utensils?

Perspex
Teflon
Styrofoam
Polystyrene

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