Chemistry Solder metal is an alloy of Lead and tin Copper and zinc Copper and tin Lead and antimony Lead and tin Copper and zinc Copper and tin Lead and antimony ANSWER DOWNLOAD EXAMIANS APP
Chemistry The trans-uranium elements are the chemical elements with atomic numbers greater than 96 92 86 89 96 92 86 89 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Earth’s atmosphere is an envelope of gases extending to a height of 200 km 100 km 150 km 300 km 200 km 100 km 150 km 300 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry Photo chemical smog is a resultant of the reaction among CO, CO2 and NO2at low temperature NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight CO, O2 and peroxy acetyl nitrate in the presence of Sunlight High concentration of NO2, O3, and CO in the evening CO, CO2 and NO2at low temperature NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight CO, O2 and peroxy acetyl nitrate in the presence of Sunlight High concentration of NO2, O3, and CO in the evening ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of fire extinguisher is used for petroleum fire ? Foam type None of these Soda acid type Powder type Foam type None of these Soda acid type Powder type ANSWER DOWNLOAD EXAMIANS APP
Chemistry The strongest oxidizing agent among the following is: Chlorine Iodine Fluorine Oxygen Chlorine Iodine Fluorine Oxygen ANSWER DOWNLOAD EXAMIANS APP
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