Elements and Compounds

IMPORTANT

Elements and Compounds: Overview

This topic covers concepts such as Elements and Compounds, Physical Properties of Metals, Conductors of Heat and Electricity, Chemical Properties of Metals, Combustion Reaction, Properties of Noble Gases, Inorganic Compounds, Organic Compounds, etc.

Important Questions on Elements and Compounds

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Heavy Water is used in which of the following fields?

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Polymerisation is a chemical process in which molecules of a compound become:

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The net gain of ATP in glycolysis is

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To convert volumetric analysis to gravimetric analysis, the relative volume of each constituent of the flue gases is

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Sunflower oil is rated as a good quality oil because it contains:

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Which of the following constituent of steel is softest and least strong?

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A perfect gas at 27°C is heated at constant pressure till its volume is double. The final temperature is

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Which of the material is not used for making rollers ?

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Which of the following types of materials are usually the most ductile?

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A reversible change in the atomic structure of steel with corresponding change in the properties is known as:

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On weight basis, air contains following parts of oxygen

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If the value of n is infinitely large in a polytropic process PVn = C, then the process is known as constant_____.

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Which of the following can not be used for extinguishing fire in a computer room?

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Points of arrest for iron correspond to:

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Maximum principal stress theory is applicable for:

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The precursor of ethylene is

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A material is known as allotropic or polymorphic if it:

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End product of glycolysis is

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If a gas is heated against a pressure, keeping the volume constant, then work done will be equal to

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In compression, a prism of brittle material will break: