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Chemistry

Chemistry
Silica gel is a

Moisturizer
Drying agent
Flavouring agent
Delicious food

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Chemistry
The metal extracted from Bauxite is :

Aluminum
Silver
Manganese
Copper

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Chemistry
Natural rubber is the polymer of :

Butadiene
Ethylene
Isoprene
Styrene

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Chemistry
How many neutrons does iron have

30
26
13
8

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Chemistry
Which of the following has least negative electron gain enthalpy

Cl
P
F
S

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Chemistry
The organic reaction represented by equation CH3 - CH = O + H2NOH gives CH3 - CH - NH + H2O is an example of

an elimination reaction
an oxidation reaction
a condensation reaction
an addition reaction

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