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Chemistry

Chemistry
Water gas is the combination of

CO2and H2
CO and H2O
CO and H2
CO2 and CO

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Chemistry
Silicon is used in

All of these
Semiconductors
Solar energy devices
Transistors

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Chemistry
In its reaction with silver nitrate, C2H2 shows

Acidic property
Oxidising property
Basic property
Reducing property

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Chemistry
Magnetite is

2Fe2O3. 3H2O
Fe3O4
FeCO3
Fe2O3

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Chemistry
Which of the following is not present in RNA

Ribose
Uracil
Thymine
Phosphate

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Chemistry
Basicity of boric acid, H3BO3 is

2
3
5
4

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