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Jayalakshmi manoharan
's Polls
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Which substance is used to retard the setting action of cement?
CaO
1 vote (50%)
CaO
AIO
0 votes (0%)
AIO
CaSO.2HO
1 vote (50%)
CaSO.2HO
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2 votes
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Wolmal
(256 symbols max)
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