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प्रश्न
Give reason for the following:
Soda acid and foam types of fire extinguisher are not used for extinguishing electrical fires.
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उत्तर
In both of these fire extinguishers, the solutions are prepared in water, which conducts electricity. As a result an electric shock might result, which might lead to short- circuiting and another fire.
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संबंधित प्रश्न
Give two uses for the following:
wood charcoal
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Answer the following question.
Why are methane compounds have low melting and boiling points?
State how carbon occurs in the free state and in the combined state.
Complete the statement by filling the blank with the correct word from the option.
Adsorption capacity of wood charcoal is increased by passing ______ over wood charcoal, at high temperature.
Compounds with same molecular formula and different structural formula are known as ______.
The property of self-linkage among identical atoms to form long chain compounds is known as ______.
______ is the main constituent of coal.
Answer the following by rearranging the jumbled letters :
Organic compounds having a double bond between carbon atoms are
knelaes
