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"Schist" is the example of which type of rock?
The pH value of an acidic solution is:
Which of the following metals is the lightest in the periodic table of elements?
Why is diamond significantly harder than graphite?
What is the more common name for solid carbon dioxide?
The nucleus of an atom consists of-
Which fossil fuel is formed under earth by the decomposition of vegetable matter lying under water by anaerobic bacteria in the absence of oxygen?
Which of the following substances are ozone-depleting?
Select the correct answer from the code given below.
I. ...
Which drug is used to cure Hypertension?
Aqua regia, which can dissolve gold, is a freshly prepared mixture of concentrated hydrochloric acid and concentrated ______.