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Chemistry

Chemistry
Curd is sour due to presenceof

Tartaric acid
Oxalic acid
Acetic acid
Lactic acid

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Chemistry
The chemical(s) most commonly used for cloud seeding or ‘artificial rainmaking’ is/are

Silver Iodide
Sodium Chloride
Dry ice or frozen carbon dioxide
All listed here

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

Iron
Thorium
Uranium
Rhodium

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Chemistry
The minimum energy required for an effective collision is

Threshold energy
Activation energy
Internal energy
Free energy

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Chemistry
J.J. Thomson’s proposed model of atom is generally called ________ model.

Plum and cake
Cream and cake
Cream and pudding
Plum and pudding

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Chemistry
During fermentation of sugar, the compound which is always formed is :

Acetic Acid
Methyl Alcohol
Ethylene
Ethyl Alcohol

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