Chemistry Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? Carbon dioxide Sulphur dioxide Nitrous oxide Chlorofluorocarbons Carbon dioxide Sulphur dioxide Nitrous oxide Chlorofluorocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Suspension particles have the size between 10–8 – 10–10cm 10–1 – 10–2 cm 10–5 – 10–7cm 10–2 – 10–4 cm 10–8 – 10–10cm 10–1 – 10–2 cm 10–5 – 10–7cm 10–2 – 10–4 cm ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is found in chlorophyll ? Mg2+ A l3+ Ca2+ Fe2+ Mg2+ A l3+ Ca2+ Fe2+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alum is used as A disinfectant A purifier for water A fertilizer An analgesic A disinfectant A purifier for water A fertilizer An analgesic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea weeds are important source of Chlorine Iron Bromine Iodine Chlorine Iron Bromine Iodine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Synthetic detergents are made from Sodium salt of benzene carboxylic acid Sodium palmitate Sodium salt of benzene sulphonic acid Sodium stearate Sodium salt of benzene carboxylic acid Sodium palmitate Sodium salt of benzene sulphonic acid Sodium stearate ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS