Chemistry The element absorbed both in cation and anion form is Phosphorus Calcium Sulphur Nitrogen Phosphorus Calcium Sulphur Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents clean surfaces on the principle of Viscosity Elasticity Surface tension Floatation Viscosity Elasticity Surface tension Floatation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound to which H2 does not add is Tetraphenyl ethylene Biphenyl ethylene Tetra – a –naphthylethylene Tetra –9 – phenanthrylethylene Tetraphenyl ethylene Biphenyl ethylene Tetra – a –naphthylethylene Tetra –9 – phenanthrylethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metal pollution of water is caused by: Domestic sewage Acid Plants Paints Wood burning Domestic sewage Acid Plants Paints Wood burning ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pyrethrin used in mosquito coil is obtained from A bacterium A seed plant A fungus An insect A bacterium A seed plant A fungus An insect ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is filled in ballons because 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 It is one of the constitutents of water ANSWER DOWNLOAD EXAMIANS APP