Elements and Compounds

IMPORTANT

Elements and Compounds: Overview

This topic covers concepts, such as, Elements and Compounds, Organic Compounds, Acidic Organic Compounds & pH of Organic Compounds etc.

Important Questions on Elements and Compounds

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IMPORTANT

The most regularly utilized material during insulations from overhead lines is _____.

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A piece of sawn timber whose cross-sectional dimensions exceed 5 cm, in one direction and 20 cm in the other direction, is called a _____.

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Amorphous aluminosilicate minerals like allophane have ______ negative charge, partly or entirely balanced by complex aluminium cation.

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The kiln which may work throughout the year, is_____.

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The enzyme that coagulates milk into curd is _____ ?

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To cool and dehumidify a stream of moist air, it must be passed over the coil at a temperature-

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The relationship between an oxidation-reduction potential difference and the standard free energy change is (where n is the number of moles of electron transferred, F= Faraday's constant and E°= standard oxidation-reduction potential difference)

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Energy required for the electron excitation in Li++ from the first to the third Bohr orbit is :

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A balloon filled with helium rises in air because-

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The percentage of carbon in steel is-

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Which chemical is mixed into a colour by which cancer produces in the Human body?

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Which of the following filler material can be used for brazing?

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Caustic embrittlement, a type of stress corrosion contains deposition of corrosion products,

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Benzene cannot undergo-

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Who stated, "Life is a photochemical phenomenon"?

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Free energy change (ΔG) of a reaction is referred to as the amount of energy _____.

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More active metal used in sacrificial anodic protection method is known as,

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Which of the following metal reacts reversibly with steam ?

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Which of the following is not a Physical change?

EASY
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The base used as an antacid is