CBSE BOARD X, asked by niharika3279, 1 year ago

hey guys help me...
Give appropriate reasons for each....

1. Our blood contains iron ,then why it does not react with oxygen to form ferrous oxide or ferric oxide(rust) ????
2. Effect of temperature is more in vacuum or air.
3. Why cookies and biscuits get loosed in air?? Why their taste gets changed???
4. few substances get loosed and some get hard while keeping them in the free atmosphere???
5. what are sine, cosine ,tangent , cosecant, secant ,cotangent??????


Anonymous: and u
niharika3279: as u can see
Anonymous: which your class
niharika3279: 10th and u
Anonymous: 12 th
Anonymous: where are you from
niharika3279: bhopal and you may be from jaipur right
Anonymous: yes
Anonymous: are you using for @whtsap
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Answers

Answered by VirtualMe
1

Answer:

3. due to oxidation from atmospheric oxygen cookies and biscuits get loosed

Answered by DEVILNINJA
0

Ru on insta??............

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