Chemistry Diamond is harder than graphite because of : None of these Tetrahedral structure of diamond Difference of crystalline structures Difference in layers of atoms None of these Tetrahedral structure of diamond Difference of crystalline structures Difference in layers of atoms ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following statement is correct ?Ozone is found in the earth's atmosphere mostly between 10 and 20 km 5 and 10 km 20 and 50 km 50 and 100 km 10 and 20 km 5 and 10 km 20 and 50 km 50 and 100 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry The water pollution in river is measured by the dissolved amount of Oxygen Chlorine Ozone Nitrogen Oxygen Chlorine Ozone Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is 'milk of magnesia' chemically? Calcium hydroxide Magnesium carbonate Magnesium hydroxide Sodium bicarbonate Calcium hydroxide Magnesium carbonate Magnesium hydroxide Sodium bicarbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives Copper at anode and oxygen at cathode. Copper at cathode and anodes dissolve to give copper Hydrogen at cathode and oxygen at anode Copper at cathode and oxygen at anode Copper at anode and oxygen at cathode. Copper at cathode and anodes dissolve to give copper Hydrogen at cathode and oxygen at anode Copper at cathode and oxygen at anode ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is also known as solution ? A heterogeneous mixture A compound A suspension A homogeneous mixture A heterogeneous mixture A compound A suspension A homogeneous mixture ANSWER DOWNLOAD EXAMIANS APP
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