answer the 13 b part and 14 question
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the compound is PLASTER OF paris. the chemical formula is CALCIUM SULPHATE HEMIHYDRATE. CASO4. 1/2 H2O.
PREPARED: when gypsum is heated at 373k this is formed the chemical reaction is CASO4.2H2O THAT GIVES CASO4.1/H2O+1.1/2H2O.
question 14:
fossils are the remains or the impression of the organisms that lived in past. fossil provides the evidence that the present animals have originated from previously existing ones.
Hope it helped u.
PREPARED: when gypsum is heated at 373k this is formed the chemical reaction is CASO4.2H2O THAT GIVES CASO4.1/H2O+1.1/2H2O.
question 14:
fossils are the remains or the impression of the organisms that lived in past. fossil provides the evidence that the present animals have originated from previously existing ones.
Hope it helped u.
kits1050:
wc dear
thanxx
wc dear
can u tag it as BRAINLIEST answer pls
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