Chemistry Which one of the following statement is correct ?Ozone is found in the earth's atmosphere mostly between 20 and 50 km 10 and 20 km 50 and 100 km 5 and 10 km 20 and 50 km 10 and 20 km 50 and 100 km 5 and 10 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following species has the highest bond order, shortest bond length and maximum bond strength O2 O-22 O-2 O+2 O2 O-22 O-2 O+2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The function of skimming tank in sewage treatment is to remove Inorganic substances Oil and fatty substances Gritty substances Suspended solids Inorganic substances Oil and fatty substances Gritty substances Suspended solids ANSWER DOWNLOAD EXAMIANS APP
Chemistry PVC is obtained by the polymerisation of Vinyl chloride Propane Acetylene Styrene Vinyl chloride Propane Acetylene Styrene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Quartz is made of Calcium Silicate Sodium Sulphate Sodium Silicate Calcium Sulphate Calcium Silicate Sodium Sulphate Sodium Silicate Calcium Sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a precious/semi-precious stone? Ruby Sapphire Pearl Emerald Ruby Sapphire Pearl Emerald ANSWER DOWNLOAD EXAMIANS APP
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