Chemistry Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives Hydrogen at cathode and oxygen at anode Copper at anode and oxygen at cathode. Copper at cathode and oxygen at anode Copper at cathode and anodes dissolve to give copper Hydrogen at cathode and oxygen at anode Copper at anode and oxygen at cathode. Copper at cathode and oxygen at anode Copper at cathode and anodes dissolve to give copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the principal ore of aluminium ? Bauxite Lignite Dolomite Copper Bauxite Lignite Dolomite Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heat required to raise the temperature of body by 1 K is called specific heat water equivalent None of these thermal capacity specific heat water equivalent None of these thermal capacity ANSWER DOWNLOAD EXAMIANS APP
Chemistry Choose the incorrect statement pertaining to organic compounds They are not easily combustible They contain mainly carbon and hydrogen They have low melting and boiling points They do not dissolve in water They are not easily combustible They contain mainly carbon and hydrogen They have low melting and boiling points They do not dissolve in water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Suspension particles have the size between 10–5 – 10–7cm 10–8 – 10–10cm 10–1 – 10–2 cm 10–2 – 10–4 cm 10–5 – 10–7cm 10–8 – 10–10cm 10–1 – 10–2 cm 10–2 – 10–4 cm ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following statements is not correct? Vulcanisation of rubber makes it Chemical resistant Withstand higher temperatures Soft and flexible Strong and hard Chemical resistant Withstand higher temperatures Soft and flexible Strong and hard ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS