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Chemistry

Chemistry
Which one is heaviest naturally-occurring element of the periodic element

Iron
Rhodium
Thorium
Uranium

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Chemistry
Baryllium Sulphate is less soluble in water due to

Lonic band
Low Energy of dissociation
High inflammable energy
Low inflammable energy

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Chemistry
An element of atomic no. 29 belongs to

S-block
D-block
P-block
F-block

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Chemistry
Aspirin is chemically known as

Acetylsalicylic acid
Hydroxysalicylate
Alkylsalicylic acid
Methyl salicylate

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Chemistry
Rectified spirit is :

Tincture iodine
95% ethyl alcohol
100% ethyl alcohol
Methylated spirit

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Chemistry
Cement is usually a mixture of :

Lime stone and silicon dioxide
Calcium aluminate and calcium ferrate
Calcium silicate and calcium ferrate
Calcium silicate and calcium aluminate

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