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Conductors and Insulators

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Question

The substances which lose their resistance completely at very low temperature are called __

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Solution

The substances which lose their resistance completely at very low temperature are called super-conductors.

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Similar questions

The substances which lose their resistance completely at very low temperature are called __

The resistance of some substances become zero at very low temperature. Such substances are called :

Q. Fill in the blanks using the words given in the box.

ignition, petrol, combustion, calorific value, combustible, inflammable

(a) A chemical process in which a substance reacts with oxygen to give off heat is called ______.
(b) Wood, paper, CNG are __________ substances.
(c) The lowest temperature at which a substance catches fire is called its ______ temperature.
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(f) The amount of heat energy produced on complete combustion of 1kg of a fuel is called its ______.

Q. Question 26
Fill in the blanks using the words given in the box.

(a) A chemical process in which a substance reacts with oxygen to give off heat is called ___
(b) Wood, paper, CNG are ___ substances.
(c) The lowest temperature at which a substance catches fire is called its ___ temperature.
(d) Ignition temperature of ___ is lower than that of wood.
(e) The substances which have very low ___ temperature and can easily catch fire with a flame are called ___ substances.
(f) The amount of heat energy produced on complete combustion of 1kg of a fuel is called its ___.

Q. A substance which has very low ignition temperature and can easily catch fire with a flame is called _________.

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