12.You are given two samples of water labelledas 'A' and 'B'.Sample'A'
boilsat100° Candsample 'B' boilsat102°C.Which sample of water will not
freeze at the0°C?Comment. answer if you know
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Answer:
Correct option is
D
Q and R
In test tubes Q and R, corrosion of nails will not take place.
For corrosion to take place, air ( or oxygen), water and iron, all three should be in contact.
In test tube Q, layer of oil separates air from nails and boiled distilled water.
In test tube R, anhydrous calcium chloride ensures that no moisture is present.
Explanation:
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2
Answer:
yes you are right. Exactly you got what I am trying to tell
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