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Chemistry

Chemistry
Which one of the following is most electronegative

Carbon
Lead
Silicon
Tin

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Chemistry
What is the covalency of nitrogen in ammonia molecule

3
2
4
5

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Chemistry
Antacids are found in drugs that give relief to

Stomach ache
Acne
Eye sight
Headache

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Chemistry
Which one of the following statements is not correct? Vulcanisation of rubber makes it

Soft and flexible
Withstand higher temperatures
Strong and hard
Chemical resistant

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Chemistry
Sulphuric acid is

Dibasic
Tribasic
Monobasic
Tetrabasic

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Chemistry
When a bond is formed between two atoms, the energy of the system will

Decrease
Remain the same
May increase or decrease
Increase

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MORE MCQ ON Chemistry

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