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Subjects
Science State Board
Class 7
Changes around us
Chemical changes
12.
Permanent changes
Exercise condition:
6
m.
Choose the correct answer for the following questions:
1
.
Milk is converted into curd with __________ acid bacteria.
Lactobacillus
Lactose
2
.
Heat is the __________ in exothermic change.
Reactant
Product
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