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Read the given passage and fill in the ...

Read the given passage and fill in the blanks by selecting an appropriate option. Non-metals find wide applications in industries.
For example `ul(" (i) ")` is used in electrodes, `ul(" (ii) ")` is used in welding metals, `ul(" (iii) ")` is used to make antiseptic creams while `ul(" (iv) ")` is used as a preservative due to its inert nature.

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The correct Answer is:
C
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Read the given passage and fill in the blanks by choosing an appropriate option. When a mixture of two ul(" (i) ") liquids having a difference of 25^(@)C in their boiling points is to be separated, a ul(" (ii) ") is used which increases the ul(" (iii) ") surface area. As a result, when the vapours of both the liquids rise, the ul(" (iv) ") volatile liquid will condense while the vapours of ul(" (v) ") volatile liquid will rise.

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Fill in the blanks by choosing the appropriate option. The noble gases can form compounds with (i) and (ii) . The mixture of (iii) and (iv) is used for respiration by divers.

Read the given passage carefully and fill in the blanks by selecting an appropriate option. Oxides of ul(" (i) ") are reduced to their respective metals by heating with coke and the process is called ul(" (ii) ") . Before carrying out reduction with carbon, if the calcined or roasted ore still contains infusible impurities of earthy matter, called ul(" (iii) ") , an additional substance, called ul(" (iv) ") is added which combines with (iii) to form a fusible material, called ul(" (v) ") .

Read the given passage and fill in the blanks by selecting an appropriate option. When a mixture of two (i)_____ liquids having a difference of less than 25^@C in their boiling points is to be separated, a (ii)_____ is used which increases the (iii)____ surface area. As a result, when the vapours of both the liquids rise, the (iv)____ volatile liquid will condense while the vapours of (v)___ volatile liquid will rise.

Read the given passage and fill in the blanks by choosing an appropriate option. Metals have high densities except (i)__ which can even float on water. Metals are malleable and ductile (ii)___ are the most malleable and ductile metals. All metals conduct heat and electricity. (iii)___ is the best conductor while (iv)___ is a poor conductor.

Read the given passage and fill in the blanks by selecting an appropriate option . The head of the matchstick contains __i_ and (ii)___while the rubbing surface contains (iii)_____ and (iv)____. When matchstick is rubbed on the surface, some of the (v)_______gets converted into (vi)______ due to the heat generated by friction.

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