Question
Which one of the following gases is used in
manufacturing of polythene?Solution
Ethylene (C₂H₄) is used in the manufacturing of polythene (polyethylene). Polythene is produced through addition polymerization of ethylene, which is primarily obtained by cracking ethane and propane, as well as other materials like naphtha and gas oil. Thus, the correct answer is (a), Ethylene.
√1764 + 35 × 8 + 39 = ?2
18% of 200 - 16% of 150 = ?
25% of 30% of 3/5 of 14500 =?
2(1/3) + 2(5/6) – 1(1/2) = ? – 6(1/6)
7/3 of 4/5 of 15/56 of ? = 83
What will come in place of the question mark (?) in the following expression?
40% of 150 – ?% of 80 = 25% of 400
555.05 + 55.50 + 5.55 + 5 +0.55 = ?
64.5% of 800 + 36.4% of 1500 = (?)² + 38
What will come in the place of question mark (?) in the given expression?
25% of 1280 + (41 × 4) = ?2
Simplify the following expression:
((32)4 - 1)/33×31× (210+1)
