NO
CO
HCHO
DDT
Correct answer is C
Formaldehyde (HCHO) is the most important carcinogen in outdoor air among the 187 hazardous air pollutants (HAPs) identified by the U.S. Environmental Protection Agency (EPA)
In the preparation of carbon monoxide by heating ethanedioic acid with concentrated sulphuric acid, ...
Which of the following aqueous methods cannot be used to distinguish between a strong acid and a a w...
Which of the following metals will be the most suitable for use where lightness and resistance to co...
What quantity of electricity will liberate 0.125 mole of oxygen molecules during the electrolysis of...
A decrease in atomic size and an increase in nuclear charge across a period lead to ...
A few drop of conc HCL are added to about 10cm\(^3\) of a solution of PH 3.4. The PH of the resultin...
The metal used to recover copper from a solution of copper sulphate is ...
If the atomic number of an element X is 11 and that of nitrogen is 7, the most likely formula of the...
The coloured nature of transition metal ions are associated with their partially filled ...
Consider the electrochemical cell represented below Zn(s)/Zn2+(aq)//Cu2+(aq)/Cu(s). Which of the fol...
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