Question

ʜᴏᴡ ɪs ‘ᴄᴀsᴛ-ɪʀᴏɴ’ ᴅɪғғᴇʀᴇɴᴛ ғʀᴏᴍ ‘ᴘɪɢ ɪʀᴏɴ’?​

Answer 1

Answer:

Explanation:

(A) Cast iron is purest form of iron while pig iron is impure. (B) Cast iron has lower carbon content (3%) as compared to pig iron (4%) and is extremely hard and brittle. (C) Pig iron contains many impurities like S, P, Si and Mn while cast iron does not contain any impurity and can be cast into any shape

Answer 2

Answer:

school mera chuti nahi tha aur acha din nahi tha

Explanation:

photosynthesis is a process by which plants make their food