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Chemistry

Chemistry
Which of the following alkali metals has highest specific heat?

Rubidium
Potassium
Lithium
Caesium

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Chemistry
Browning of paper in old books is caused by

Collection of dust
Oxidation of cellulose
Frequent use
Lack of aeration

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Chemistry
The molecule which has the highest percentage of ionic character among the following is

HF
HBr
HI
HCI

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Chemistry
Silk fibre chemically is :

Carbohydrate
Protein
Cellulose
Fat

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Chemistry
What is the atomic number of mercury

41
32
63
80

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Chemistry
Nitrogen is an essential constituent of all :

Vitamins
Fats
Proteins
Carbohydrates

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MORE MCQ ON Chemistry

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