Chemistry When formaldehyde and potassium hydroxide are heated, we get Methane Ethyl formate Methyl alcohol Acetylene Methane Ethyl formate Methyl alcohol Acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is found in chlorophyll ? Mg2+ Ca2+ A l3+ Fe2+ Mg2+ Ca2+ A l3+ Fe2+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a method of preparing oxygen? Fractional distillation of liquid air Electrolysis of water Decomposition of manganese dioxide Decomposition of potassium permanganate Fractional distillation of liquid air Electrolysis of water Decomposition of manganese dioxide Decomposition of potassium permanganate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Charcoal is used in water treatment as a/an Absorbent Solvent Adsorbent Coagulant Absorbent Solvent Adsorbent Coagulant ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material known in commerce as Terylene is a Synthetic fibre Modified natural fibre Natural fibre Blend of cotton and silk Synthetic fibre Modified natural fibre Natural fibre Blend of cotton and silk ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance most commonly used as a food preservative is Sodium carbonate Tartaric acid Sodium salt of benzoic acid Acetic acid Sodium carbonate Tartaric acid Sodium salt of benzoic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
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