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Chemistry

Chemistry
Atoms of same element having different mass numbers are called________

Isobars
Isomers
Isotones
Isotopes

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Chemistry
The most commonly used chemicals in the artificial rainmaking or cloud seeding are

All of these
Sodium Chloride (NaCl)
Silver Iodide (Ag I)
Dry Ice (Frozen CO2)

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Chemistry
In a reaction of the type A+B ? C+D one could ensure it to be a first order reaction by :

Increasing the temperature
Increasing the concentration of a reactant
Adding a catalyst
Increasing the concentration of a product

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

Tomato juice
Kerosene
Vinegar
Lemon

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Chemistry
In vulcanisation process, rubber can be hardened by adding

Sulphur
Nitrogen
Silicon
Alcohol

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Chemistry
The chemical name of rat poison is

Potassium cyanide
Lead nitrate
Zinc oxide
Zinc phosphide

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MORE MCQ ON Chemistry

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