Chemistry The two metal ions that cause hardness to water are: Sodium, Magnesium Calcium, Magnesium Sodium, Potassium Sodium, Calcium Sodium, Magnesium Calcium, Magnesium Sodium, Potassium Sodium, Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry A thick paste of cement, sand and water is called R.C.C. Kiln Mortar Concrete R.C.C. Kiln Mortar Concrete ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silica gel is a Delicious food Moisturizer Flavouring agent Drying agent Delicious food Moisturizer Flavouring agent Drying agent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to make light weight, but strong plastic ? Polythene Methyl Methacrylate Polyvinyl Chloride Nylon Polythene Methyl Methacrylate Polyvinyl Chloride Nylon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The drug ‘Marijuana’ is a Hallucinating substance Tranquillizer Mental stimulant Sedative Hallucinating substance Tranquillizer Mental stimulant Sedative ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one out of the following helps in burning ? Oxygen Nitrogen Carbon dioxide Carbon monoxide Oxygen Nitrogen Carbon dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP