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Chemistry

Chemistry
Among the following the hardest metal is

Gold
Iron
Platinum
Tungsten

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Chemistry
Which of the following is not a method of preparing oxygen?

Electrolysis of water
Fractional distillation of liquid air
Decomposition of potassium permanganate
Decomposition of manganese dioxide

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Chemistry
The wire of flash bulb is made of:

Barium
Copper
Magnesium
Silver

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Chemistry
Which among the following stage is suitable indicator when solution of sodium carbonate is mixed with sulphuric acid ?

Methylene blue
Phenolphthaline
Methyl red
Methyl orange

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Chemistry
The structure of (HPO3)3 is

Octahedral
Linear
Cyclic
Tetrahedral

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Chemistry
Which of the following substance's smell is similar to Ethanoic acid?

Tomato juice
Kerosene
Lemon
Vinegar

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MORE MCQ ON Chemistry

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