Chemistry - Single MCQs (Page 18)

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Q171. When halogens are exposed to sunlight, they split up in to ?...Q172. Cookies and bread rise due to ?...Q173. Substance which has formula mass of 133.5 amu is ?...Q174. Mass of carbon present in 44g of carbon dioxide is ?...Q175. Formula which gives simplest whole number ratio of atoms is ?...Q176. Matter is anything that occupies ?...Q177. Mass of 1 mole of sucrose is ?...Q178. Branch of chemistry which deals with substance containing carbon is called ?...Q179. Number of atoms in 5 moles of nitrogen atom is ?...Q180. Number of atoms of hydrogen in 2 moles of NH3 ?...