Chemistry When iron rusts, its weight Decreases First increases and then decreases Increases Remains the same Decreases First increases and then decreases Increases Remains the same ANSWER DOWNLOAD EXAMIANS APP
Chemistry A polymeric substance used to make parachute is Viscose Rayon Cotton Terylene Viscose Rayon Cotton Terylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance that is added to make natural rubber strong and more bouncy is Sponge Polythene Sulphur Chlorine Sponge Polythene Sulphur Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionic radii of N3-, O2-, F- and Na+ follows the order O2- > F- > Na+ > N3- Na+ > O2- > N3- > F- N3- > Na+ > O2- > F- N3- > O2- > F- > Na+ O2- > F- > Na+ > N3- Na+ > O2- > N3- > F- N3- > Na+ > O2- > F- N3- > O2- > F- > Na+ ANSWER DOWNLOAD EXAMIANS APP
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