Chemistry Sulphur dioxide level in the atmosphere can be reduced by using Catalytic converters in industry Static electricity to attract it in factory chimneys Low - sulphur fuels More efficient car engines Catalytic converters in industry Static electricity to attract it in factory chimneys Low - sulphur fuels More efficient car engines ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is filled in ballons because It is one of the constitutents of water Its atomic number is 2 It is lighter than air It is a noble gas It is one of the constitutents of water Its atomic number is 2 It is lighter than air It is a noble gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk is a colloidal system in which: Water is dispersed in fat Fat is dissolved Fat and water are dispersed in each other Fat is dispersed in water Water is dispersed in fat Fat is dissolved Fat and water are dispersed in each other Fat is dispersed in water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most important ore of aluminium is monazite haematite magnetite bauxite monazite haematite magnetite bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer of atmosphere absorbs: Infra-red rays Cosmic rays. All radiations of Light Ultraviolet rays Infra-red rays Cosmic rays. All radiations of Light Ultraviolet rays ANSWER DOWNLOAD EXAMIANS APP