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Science · 2023 · 1 mark
CBSE 2023 · Region 1 · Set 1 · Q5
A metal 'X' is used in thermite process. When X is burnt in air it gives an amphoteric oxide 'Y'. 'X' and 'Y' are respectively:
A metal 'X' is used in thermite process. When X is burnt in air it gives an amphoteric oxide 'Y'. 'X' and 'Y' are respectively :
Official answer
(B)
Al and $\displaystyle \mathrm{Al}_{2} \mathrm{O}_{3}$
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CBSE Class 10 Science past-paper question from the 2023 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.