Q. In tragedies caused by drinking spurious liquor, the active agent causing such tragedies is -
1) Methyl alcohol
2) Ethyl alcohol
3) Amy alcohol
4) Benzyl alcohol
Q. A high molecular weight compound formed by combining large numbers of small molecules of low molecular weight is called -
4) Direct Dyes
Q. Which gas plays main role in the Green House effect?
Q. Which gas was released when Bhopal gas tragedy occurred?
1) Methyl Cyanide
2) Methyl Iso Cyanide
3) Methyl Nitrate
4) Nitrogen Cyanide
Q. Which one of the following is used as a binder in paints?
1) Titanium dioxide
Q. Which one of the following minerals is used as a fuel in nuclear power stations?
Q. Which one of the following is an example of a clean fuel?
Q. Which one of the following metals does not react with cold water?
1) Calcium (Ca)
2) Potassium (K)
3) Magnesium (Mg)
4) Sodium (Na)
Q. In which of the following pairs are the ions isoelectronic?
1) Mg2+, Ar
2) Na+, O2-
4) K+, Ne
Q. Dinitrogen (N2) and dioxygen (O2) are the main constituents of air but they do not react with each other to form oxides of nitrogen because -
1) the reaction requires initiation by a catalyst
2) oxides of nitrogen are unstable
3) the reaction is endothermic and requires very high temperature
4) the stoichiometry of N2 and O2 in air is not ideal for the reaction to take place
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