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Chemistry

Chemistry
A subshell with l=2 can take up

3 electron
10 electron
8 electron
5 electron

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Chemistry
Antacids are found in drugs that give relief to

Eye sight
Headache
Acne
Stomach ache

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Chemistry
The value of Avogadro Number is

6.023 × 1025
6.023 × 1022
6.023 × 1024
6.023 × 1023

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Chemistry
The heat value of combustion of Gasoline is

39400 kJ/kg
47000 kJ/kg
14600 kJ/kg
12600 kJ/kg

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Chemistry
Gelatin is mostly used in making ice–creams in order to

Stabilise mixture
Enrich the aroma
Prevent making a colloid
Stabilise the colloid and prevent crystallisation

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

Sewer
Sludge
Sewage
Scum

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