Chemistry Which of the following elements is obtained from sea weeds ? Argon Sulphur Iodine Vanadium Argon Sulphur Iodine Vanadium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of Iron is : Pig iron Cast iron Steel Wrought iron Pig iron Cast iron Steel Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The amount of chlorine available in water after disinfection is called as Free chlorine Residual chlorine Combined available chlorine Free available chlorine Free chlorine Residual chlorine Combined available chlorine Free available chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass of one Avogadro number of helium atom is 4.00 gram 1.00 gram 8.00 gram 4 x 6.02 x 1023 gram 4.00 gram 1.00 gram 8.00 gram 4 x 6.02 x 1023 gram ANSWER DOWNLOAD EXAMIANS APP
Chemistry Quartz is made of Sodium Sulphate Calcium Silicate Sodium Silicate Calcium Sulphate Sodium Sulphate Calcium Silicate Sodium Silicate Calcium Sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is not a pollutant ? Lead Arsenic Mercury Aluminium Lead Arsenic Mercury Aluminium ANSWER DOWNLOAD EXAMIANS APP
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