Chemical Process Thermosetting materials Are cross-linked molecules Are solvent soluble None of these Soften on application of heat Are cross-linked molecules Are solvent soluble None of these Soften on application of heat ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Bisphenol A is produced by the condensation of acetone with Formaldehyde Ethyl alcohol Phenol Diethyl ether Formaldehyde Ethyl alcohol Phenol Diethyl ether ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The major constituent of black liquor generated during paper manufacture is sodium Carbonate Hydroxide Sulphate Bi-carbonate Carbonate Hydroxide Sulphate Bi-carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Systemic insecticides Kill insects following external bodily contact Emit poisonous vapour Are absorbed throughout the plant Are stomach poisons Kill insects following external bodily contact Emit poisonous vapour Are absorbed throughout the plant Are stomach poisons ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the endothermic reaction out of the following. C+1/2O₂ = CO CaCO₃ = CaO + CO₂ CO + 3H₂ = CH₄ + H₂O CO +1/2O₂ = CO₂ C+1/2O₂ = CO CaCO₃ = CaO + CO₂ CO + 3H₂ = CH₄ + H₂O CO +1/2O₂ = CO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is a detergent? Cellulose nitrate Alkyl benzene sulphonate Polytetraflouroethylene Benzene hexachloride Cellulose nitrate Alkyl benzene sulphonate Polytetraflouroethylene Benzene hexachloride ANSWER DOWNLOAD EXAMIANS APP
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