Chemistry The process of removing calcium and magnesium from hard water is known as Water softening Filtration Flocculation Sedimentation Water softening Filtration Flocculation Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The value of Avogadro Number is 6.023 × 1022 6.023 × 1024 6.023 × 1023 6.023 × 1025 6.023 × 1022 6.023 × 1024 6.023 × 1023 6.023 × 1025 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver nitrate solution is kept in brown bottles in laboratory because It reacts with ordinary white bottles Brown bottles do not react with it Brown bottles stops the passage of light through it Brown bottles react with it It reacts with ordinary white bottles Brown bottles do not react with it Brown bottles stops the passage of light through it Brown bottles react with it ANSWER DOWNLOAD EXAMIANS APP
Chemistry The weight of 6.023 × 1022 atoms of carbon is 120 gms 1.2 gms 12 gms 0.12 gms 120 gms 1.2 gms 12 gms 0.12 gms ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most important ore of aluminium is monazite magnetite haematite bauxite monazite magnetite haematite bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry When cathode rays strike a target of high atomic weight, they give rise to ?-rays X-rays Positive rays ? and ? rays ?-rays X-rays Positive rays ? and ? rays ANSWER DOWNLOAD EXAMIANS APP
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