Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Carbon dioxide Carbonates from soil Water Oxides of mineral elements Carbon dioxide Carbonates from soil Water Oxides of mineral elements ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aspirin is chemically known as Methyl salicylate Acetylsalicylic acid Alkylsalicylic acid Hydroxysalicylate Methyl salicylate Acetylsalicylic acid Alkylsalicylic acid Hydroxysalicylate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of safety matches? Phosphorus Sodium Graphite Silicon Phosphorus Sodium Graphite Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The amount of chlorine available in water after disinfection is called as Free chlorine Free available chlorine Combined available chlorine Residual chlorine Free chlorine Free available chlorine Combined available chlorine Residual chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry PH scale ranges from 0 – 7 0 – 14 8 – 14 None 0 – 7 0 – 14 8 – 14 None ANSWER DOWNLOAD EXAMIANS APP
Chemistry A subshell with l=2 can take up 5 electron 10 electron 8 electron 3 electron 5 electron 10 electron 8 electron 3 electron ANSWER DOWNLOAD EXAMIANS APP