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- Today, my mother has given samosas and tamarind chutney for lunch,
- ACIDS, BASES AND SALTSCLASS 7
- Oh wow ! I have brought aloo paranthas with curd, Let's share the delicious lunch.
- My food is slightly bitter. I have brought green leafy vegetable curry with some sweets. Let's eat quickly as we have Science class immediately after lunch break.
- ACIDS, BASES AND SALTS
- Good afternoon children ! Did you all have your lunch ?
- Yes Sir !
- Today we brought food with different tastes. Some sour, some bitter, some sweet and some salty.
- Yes Sir !
- ACIDS, BASES AND SALTS
- Children ! Do you all know that different foods have different tastes because they contain acids, bases and salts.
- Acidic ! I have heard that acids are dangerous. Lata was telling me yesterday.
- ACIDS, BASES AND SALTS
- Oh no ! Not all acids are dangerous. Samar ! make a list foods you eat that are mostly sour.
- Tamarind, orange, curd, guava, amla and..
- ACIDS, BASES AND SALTS
- Bases are chemical compounds which are soapy to touch and are not usually meant for human consumption. They are bitter in taste and have a wide range of applications in our daily life.
- Sir. can you please give some examples of bases.
- Children we have come to know the difference between acids and bases.
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