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Subjects
Science State Board
Class 6
Chemistry in Everyday life
Materials used in daily life and its manufacturing process
17.
Cement and gypsum
Exercise condition:
6
m.
Find the correct statement for the following words given:
Answer variants:
It gives quick setting property to the cement but when added in excess it weakens the cement.
Paste of cement and sand mixed with water
1
.
Aluminium oxide
-
2
.
Mortar
-
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