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Chemistry

Chemistry
Gobar gas contains mainly :

Ethylene
Acetylene
Methane
Propylene

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Chemistry
The mass of P4O10 that will be obtained from the reaction of 1.33 gram of P4 and 5.07 of oxygen is

5.05 gram
2.05 gram
4.05 gram
3.05 gram

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Chemistry
The Bhopal tragedy was caused by the gas

Carbon monoxide
Phosgene
Methyl isocyanate
Chlorine

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Chemistry
In a reaction of the type A+B ? C+D one could ensure it to be a first order reaction by :

Increasing the concentration of a product
Increasing the temperature
Increasing the concentration of a reactant
Adding a catalyst

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Chemistry
The graphite rods in the nuclear reactor

convert fast moving neutrons into thermal neutrons
produce neutrons
react with U to release energy
undergo combustion which triggers the nuclear fission

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Chemistry
The coloured discharge tubes for advertisement mainly contain

Helium
Xenon
Argon
Neon

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