Chemistry Nitrogen forms a variety of compounds in all oxidation states ranging from –3 to + 5 –3 to + 6 –3 to + 3 –3 to + 4 –3 to + 5 –3 to + 6 –3 to + 3 –3 to + 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a greenhouse gas ? Carbon dioxide Chlorofluorocarbon Nitric oxide Hydrogen Carbon dioxide Chlorofluorocarbon Nitric oxide Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief constituent of vinegar is Oxalic acid Acetic acid Salycylic acid Formic acid Oxalic acid Acetic acid Salycylic acid Formic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the petroleum wax ? Jojoba wax Bees wax Paraffin wax Carnauba wax Jojoba wax Bees wax Paraffin wax Carnauba wax ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron and manganese present as pollutants in water cannot be removed by________ Lime soda process or manganese zeolite process Oxidation followed by settling and filtration Ion exchange process Chlorination Lime soda process or manganese zeolite process Oxidation followed by settling and filtration Ion exchange process Chlorination ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygend. Chemical reaction with CO2 B and c A and b A and c C and d B and c A and b A and c C and d ANSWER DOWNLOAD EXAMIANS APP
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