Chemistry The metallic constituents of hard water are : Magnesium, calcium and tin Iron, tin and calcium Magnesium, tin and iron Calcium, magnesium and iron Magnesium, calcium and tin Iron, tin and calcium Magnesium, tin and iron Calcium, magnesium and iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The quality of petrol is expressed in terms of Added unlead compounds Cetane number Octane number Gold number Added unlead compounds Cetane number Octane number Gold number ANSWER DOWNLOAD EXAMIANS APP
Chemistry The deterioration of a metal by an electrochemical process is commonly termed as Passivation Erosion Corrosion Abrasion Passivation Erosion Corrosion Abrasion ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pH of human blood is between : 4.5-5 6.5-7 44052 7.5-8 4.5-5 6.5-7 44052 7.5-8 ANSWER DOWNLOAD EXAMIANS APP
Chemistry When formaldehyde and potassium hydroxide are heated, we get Acetylene Methyl alcohol Methane Ethyl formate Acetylene Methyl alcohol Methane Ethyl formate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as a sowing agent in the preparation of soft drinks? Phosphoric acid Salicylic acid Phosphorus acid Boric acid Phosphoric acid Salicylic acid Phosphorus acid Boric acid ANSWER DOWNLOAD EXAMIANS APP