Chemistry The metal used for making aircrafts and rockets is Nickel Aluminium Copper Lead Nickel Aluminium Copper Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? Solder Aluminium sulphate Aluminium powder None of these Solder Aluminium sulphate Aluminium powder None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ is a by product of sewage treatment and can be decomposed to produce biogas Sewer Scum Sludge Sewage Sewer Scum Sludge Sewage ANSWER DOWNLOAD EXAMIANS APP
Chemistry The advantage of detergents over soaps is Detergents give lather even with hard water Soaps give lather with only soft water Detergents could not give much lather Detergents are soluble in water Detergents give lather even with hard water Soaps give lather with only soft water Detergents could not give much lather Detergents are soluble in water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of hydrogen bonds between guanine and cytosine in DNA is 1 3 4 2 1 3 4 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ gives hardness to stainless steel. Zinc Lead Carbon Tin Zinc Lead Carbon Tin ANSWER DOWNLOAD EXAMIANS APP