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Question
Statement 1: There are two types of changes that occur with the food in mouth. First, is a physical change and the second is a chemical change.
Statement 2: Digestion of food starts in the mouth.
Choose the correct option based on whether the statements are true or false.
Statement 1: There are two types of changes that occur with the food in mouth. First, is a physical change and the second is a chemical change.
Statement 2: Digestion of food starts in the mouth.
Choose the correct option based on whether the statements are true or false.
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Solution
The correct option is A Statement -1: True, Statement –2: True
Two types of changes occur with the food within the mouth. First is physical change and the other is chemical change. The physical change occurs while chewing the food (big lump of food is broken into smaller pieces) and the chemical change is marked by the action of saliva on food. Since a chemical change occurs, digestion of food can be said to start in the mouth.
Statement -1: True, Statement –2: True
Two types of changes occur with the food within the mouth. First is physical change and the other is chemical change. The physical change occurs while chewing the food (big lump of food is broken into smaller pieces) and the chemical change is marked by the action of saliva on food. Since a chemical change occurs, digestion of food can be said to start in the mouth.
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