Chemistry Helium gas is filled in ballons because It is a noble gas Its atomic number is 2 It is one of the constitutents of water It is lighter than air It is a noble gas Its atomic number is 2 It is one of the constitutents of water It is lighter than air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Muddy water is treated with alum in purification process, itis termed as : Absorption Adsorption Emulsification Coagulation Absorption Adsorption Emulsification Coagulation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen in water is commonly found in the form of Nitrate Nitrous oxide Nitric oxide Nitrite Nitrate Nitrous oxide Nitric oxide Nitrite ANSWER DOWNLOAD EXAMIANS APP
Chemistry In surgery, metal pins are used for joining together broken bones. These metal pins remain uncorroded in the body. What is the material of these pins? Titanium Iron Copper Aluminium Titanium Iron Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of nitrogen present in ammonium sulphate is : 0.305 0.18 0.27 0.25 0.305 0.18 0.27 0.25 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases will effuse out of football bladder most quickly ? N 2 O2 He H2 N 2 O2 He H2 ANSWER DOWNLOAD EXAMIANS APP