Fill in the blank (do not have to balance): MgO+HCl→__________
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Q3
Fill in the blanks with the most appropriate words. He has ________ Rolls Royce and ________ Audi 7 and ________ MG.
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Q4
Fill in the blank in the given nuclear reaction: __________ +2713Al→2512Mg+42He
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Q5
Fill in the blanks in the following conversions: i) 1km=...........mm=...........pm ii) 1mg=..........kg=..........ng iii) 1mL=..........L=..........dm3