Which one of the following is not a mixture
Which substance is produced when alcohol is added with petrol and used as a fuel?
Isotopes have ______.
I. similar physical quantities and different chemical properties
II. different physical properties
III. similar chemical properties
Which of the below options is called a laughing gas?
If the first and third members of a Dobereiner triad are Phosphorous and Antimony, the second member of this triad is
Which of the following allotropes of Carbon is used as a reducing agent in metallurgy?
How many atoms will one mole of Carbon (C-12) contain?
The pH of a solution, whose hydrogen ion concentration is 1 x 10 mole per litre, will be ____.
Which of the following is used for disinfecting drinking water?
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