Metals react with sodium hydroxide to produce ___________.
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In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.
To spin one's wheels
The tendency of undisturbed objects to stay at rest or to keep moving with the same velocity is called ___
___________ is the wearing away of the landscape by different agents like water, wind and ice.
In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".
Those films (being) made now.
In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word.
Mould
Sixth sense
Rome was not built in a day