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Chemistry

Chemistry
Denatured spirit is ethanol mixed with

Petrol
Pyridine
Kerosene
Water

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Chemistry
What is the atomic number of Oxygen

22
12
5
8

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Chemistry
Mercury is a :

Solid non-metal
Liquid non-metal
Solid metal
Liquid metal

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Chemistry
Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygend. Chemical reaction with CO2

A and c
A and b
B and c
C and d

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Chemistry
What material is used to make electric heater coil ?

Copper
Nichrome
Silver
Iron

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Chemistry
Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ?

Sodium
Nitrogen
Hydrogen
Neon

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MORE MCQ ON Chemistry

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