Chemistry Helium gas is filled in ballons because It is a noble gas Its atomic number is 2 It is lighter than air It is one of the constitutents of water It is a noble gas Its atomic number is 2 It is lighter than air It is one of the constitutents of water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the petroleum wax ? Paraffin wax Bees wax Carnauba wax Jojoba wax Paraffin wax Bees wax Carnauba wax Jojoba wax ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymerisation of which often following is used in manufacturing of polythene in industry ? Methane Ethylene Styrene Acetylene Methane Ethylene Styrene Acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The rusting of iron is a/an None of these Electrical change Electrochemical change Physical change None of these Electrical change Electrochemical change Physical change ANSWER DOWNLOAD EXAMIANS APP
Chemistry In electro-refining, the pure metal is deposited on Anode Electrolyte Cathode Vessel Anode Electrolyte Cathode Vessel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Photo chemical smog is a resultant of the reaction among CO, CO2 and NO2at low temperature NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight CO, O2 and peroxy acetyl nitrate in the presence of Sunlight High concentration of NO2, O3, and CO in the evening CO, CO2 and NO2at low temperature NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight CO, O2 and peroxy acetyl nitrate in the presence of Sunlight High concentration of NO2, O3, and CO in the evening ANSWER DOWNLOAD EXAMIANS APP
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