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Chemistry

Chemistry
The anode of a dry cell is made up of

Cadmium
Zinc
Lead
Iron

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Chemistry
What is the atomic number of Oxygen

5
8
22
12

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Chemistry
The trans-uranium elements are the chemical elements with atomic numbers greater than

89
92
96
86

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Chemistry
What is the maximum Water Vapour content in the atmosphere?

3 to 4 per cent
5 to 6 per cent
2 to 3 per cent
4 to 5 per cent

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Chemistry
Which one of the following species has the highest bond order, shortest bond length and maximum bond strength

O2
O-22
O-2
O+2

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Chemistry
Oxygen which is vital for life is a product of photosynthesis and comes from

Oxides of mineral elements
Water
Carbon dioxide
Carbonates from soil

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MORE MCQ ON Chemistry

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