Chemistry The substance which does not expand on going from liquid state to solid state is Water Aluminium Cast-iron Type metal Water Aluminium Cast-iron Type metal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is filled in ballons because It is one of the constitutents of water It is a noble gas It is lighter than air Its atomic number is 2 It is one of the constitutents of water It is a noble gas It is lighter than air Its atomic number is 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron and manganese present as pollutants in water cannot be removed by________ Chlorination Ion exchange process Oxidation followed by settling and filtration Lime soda process or manganese zeolite process Chlorination Ion exchange process Oxidation followed by settling and filtration Lime soda process or manganese zeolite process ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number of an atom gives the number of which of the following ? Neutrons Neutrons and protons Electrons Protons Neutrons Neutrons and protons Electrons Protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Earth’s atmosphere is an envelope of gases extending to a height of 100 km 200 km 150 km 300 km 100 km 200 km 150 km 300 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry The National Chemical Laboratory is situated in Patna Pune New Delhi Bangalore Patna Pune New Delhi Bangalore ANSWER DOWNLOAD EXAMIANS APP