General Science - Single MCQs (Page 23)

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Q221. Which of the following is manmade resource?...Q222. Which of the following is natural resource?...Q223. An example of fossil fuel is?...Q224. PCRA stands for?...Q225. The first oil well was drilled in?...Q226. Coaltar contains about?...Q227. Purest form of carbon is?...Q228. Water is a ________?...Q229. An electric lamp glows due to?...Q230. Electroplating prevents?...