Chemistry Which among the following is found in chlorophyll ? Ca2+ A l3+ Mg2+ Fe2+ Ca2+ A l3+ Mg2+ Fe2+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most important ore of lead is Siderite Magnetite Galena Pyrolusite Siderite Magnetite Galena Pyrolusite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The organic reaction represented by equation CH3 - CH = O + H2NOH gives CH3 - CH - NH + H2O is an example of an addition reaction a condensation reaction an oxidation reaction an elimination reaction an addition reaction a condensation reaction an oxidation reaction an elimination reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a renewable source of energy ? Geothermal powder Natural gas Uranium Coal Geothermal powder Natural gas Uranium Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is Zeolite? Hydrated Aluminosilicate Dehydrated Calcium Sulphate Hydrated Calcium Sulphate Dehydrated Aluminosilicate Hydrated Aluminosilicate Dehydrated Calcium Sulphate Hydrated Calcium Sulphate Dehydrated Aluminosilicate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Sodium carbonate Alum Lime Potassium Permangante Sodium carbonate Alum Lime Potassium Permangante ANSWER DOWNLOAD EXAMIANS APP