General Science Permanent hardness of water may be removed by the addition of Alum Potassium Permanganate Sodium Carbonate Lime Alum Potassium Permanganate Sodium Carbonate Lime ANSWER DOWNLOAD EXAMIANS APP
General Science Which of the following rays are the most penetrating? Alpha rays Gamma rays Beta rays X-rays Alpha rays Gamma rays Beta rays X-rays ANSWER DOWNLOAD EXAMIANS APP
General Science The wavelength of X-rays is of the order of 1 angstrom 1 m 10 micron 1 cm 1 angstrom 1 m 10 micron 1 cm ANSWER DOWNLOAD EXAMIANS APP
General Science Sodium metal is kept under Alcohol Kerosene Water Petrol Alcohol Kerosene Water Petrol ANSWER DOWNLOAD EXAMIANS APP
General Science One kilometer is equal to how many miles? 1.2 3.5 0.62 1.6 1.2 3.5 0.62 1.6 ANSWER DOWNLOAD EXAMIANS APP
General Science Gypsum is added to cement clinker to Facilitate the formation of colloidal gel Decrease the rate of setting of cement Increase the tensile strength of cement Bind the particles of calcium silicate Facilitate the formation of colloidal gel Decrease the rate of setting of cement Increase the tensile strength of cement Bind the particles of calcium silicate ANSWER DOWNLOAD EXAMIANS APP