Chemistry Type metal used in printing press is an alloy of Lead and zinc Lead and bismuth Lead and copper Lead and antimony Lead and zinc Lead and bismuth Lead and copper Lead and antimony ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many atoms of oxygen are in a glucose molecule 3 10 4 6 3 10 4 6 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of hydrogen bonds between guanine and cytosine in DNA is 3 2 4 1 3 2 4 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Water vapour Carbon monoxide Carbon dioxide Ozone Water vapour Carbon monoxide Carbon dioxide Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry PVC is obtained by the polymerisation of Vinyl chloride Acetylene Propane Styrene Vinyl chloride Acetylene Propane Styrene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is usually not an air-pollutant? Hydrocarbons Nitrous oxide Sulphur dioxide Carbon dioxide Hydrocarbons Nitrous oxide Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
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