Chemistry Silicon is used in All of these Transistors Solar energy devices Semiconductors All of these Transistors Solar energy devices Semiconductors ANSWER DOWNLOAD EXAMIANS APP
Chemistry Interveinal necrotic spots on leaves appear due to NO2injury O3injury HF injury SO2injury NO2injury O3injury HF injury SO2injury ANSWER DOWNLOAD EXAMIANS APP
Chemistry The weight of 6.023 × 1022 atoms of carbon is 0.12 gms 12 gms 1.2 gms 120 gms 0.12 gms 12 gms 1.2 gms 120 gms ANSWER DOWNLOAD EXAMIANS APP
Chemistry Fertiliser having high nitrogen content is : Urea Ammonium sulphate Ammonium nitrate Calcium citrate Urea Ammonium sulphate Ammonium nitrate Calcium citrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most common cause of pollution of air is Sulphur dioxide Smoke Carbon monoxide Carbon dioxide Sulphur dioxide Smoke Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is usually a mixture of : Lime stone and silicon dioxide Calcium silicate and calcium aluminate Calcium aluminate and calcium ferrate Calcium silicate and calcium ferrate Lime stone and silicon dioxide Calcium silicate and calcium aluminate Calcium aluminate and calcium ferrate Calcium silicate and calcium ferrate ANSWER DOWNLOAD EXAMIANS APP
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