Chemistry Which of the following is used to increase the anti-knocking property of petrol ? Trimethyl lead Triethyl lead Tetraethyl lead Tetramethyl lead Trimethyl lead Triethyl lead Tetraethyl lead Tetramethyl lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind? 1/4 1/8 1/6 1/3 1/4 1/8 1/6 1/3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aspirin is chemically known as Methyl salicylate Hydroxysalicylate Acetylsalicylic acid Alkylsalicylic acid Methyl salicylate Hydroxysalicylate Acetylsalicylic acid Alkylsalicylic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is found in Vinegar ? Acetic acid Butyric acid Propionic acid Formic acid Acetic acid Butyric acid Propionic acid Formic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main chemical constituent of the oil of cardamom which is responsible for flavour of this oil is limonene cineole geraniol engenol limonene cineole geraniol engenol ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the principal ore of aluminium ? Lignite Dolomite Bauxite Copper Lignite Dolomite Bauxite Copper ANSWER DOWNLOAD EXAMIANS APP
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