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Chemistry

Chemistry
What is the mass percentage of oxygen in carbon dioxide (CO2)

0.305
0.509
0.727
0.658

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Chemistry
Hamburger effect is otherwise known as–

Respiratory product
Chloride shift
Sodium pump
Anaerobic metabolism

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Chemistry
Iron filings can be separated from a heterogenous mixture using the technique of :

Magnetization
Sedimentation
Sublimation
Evaporation

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Chemistry
Benzene cannot undergo :

Elimination
Substitution
Addition
Oxidation

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

Siderite
Limonite
Magnetite
Haematite

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Chemistry
Which of the following metals causes Itai-Itai disease ?

Cobalt
Cadmium
Copper
Chromium

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MORE MCQ ON Chemistry

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