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Chemistry

Chemistry
The iron ore which contains 72% of iron is :

Limonite
Magnetite
Siderite
Haematite

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Chemistry
A fertile soil is likely to have a pH of

9
14
3
43989

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Chemistry
The National Chemical Laboratory (India) is located in

Pune
Bangaluru
Hyderabad
Mumbai

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Chemistry
What is the most commonly used substance in fluorescent tubes?

Sodium vapour and neon
Sodium oxide and argon
Mercury vapour and argon
Mercury oxide and neon

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Chemistry
How many neutrons does iron have

30
26
13
8

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Chemistry
The Fungus which is used in the alcohol industry is

Yeast
Rhizopus
Candida Aibicans
Mushroom

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MORE MCQ ON Chemistry

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