Chemistry - Single MCQs (Page 9)

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Q81. Petroleum Consists Of A Mixture Of?...Q82. Stainless Steel Is An Alloy Of ?...Q83. Muscle Fatigue Is Caused By The Accumulation Of?...Q84. Which One Of The Following Metals Is Used To Galvanise Iron?...Q85. The Purest Form Of Water Is ?...Q86. Ozone Layer Is Present In ?...Q87. By Which Organic Compound All The Oils Arc Known ?...Q88. The Function Of Skimming Tank In Sewage Treatment Is To Remove ?...Q89. Cement Is Made Hard With ?...Q90. Diamond Is Harder Than Graphite Because Of ?...