Chemical Process Magnesium and calcium __________ cause temporary hardness of water. Phosphates Bicarbonates Sulphates Carbonates Phosphates Bicarbonates Sulphates Carbonates ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Esterification reaction Is reversible Produces soap Is a reaction between an alcohol and an organic acid All of these Is reversible Produces soap Is a reaction between an alcohol and an organic acid All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The type of high refractive index glass used in optical instruments is __________ glass. Flint None of these Crookes Pyrex Flint None of these Crookes Pyrex ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chemical formula of oleum is H₂SO₄ H₂SO₃ H₂SO₇ H₂S₂O₇ H₂SO₄ H₂SO₃ H₂SO₇ H₂S₂O₇ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Margarine is a/an Fat Rocket propellant Explosive Plasticiser Fat Rocket propellant Explosive Plasticiser ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Hard water Is not unfit for drinking purpose All of these Does not affect the lather formation by soap Pollutes the water stream Is not unfit for drinking purpose All of these Does not affect the lather formation by soap Pollutes the water stream ANSWER DOWNLOAD EXAMIANS APP