Biology, asked by shkrutipatel, 1 month ago

Which of the following is a compound?
(a) Air
(b) NaCl dissolved in water
(c) HCI
(d) Hydrogen ​

Answers

Answered by Anonymous
2

Answer:

HCL

air and Nacl dissolved in water is mixture ,hydrogen is element while HCL is compound

Answered by dishabanik548
1

Answer:

(d) hydrogen

Explanation:

hope it will be helpful to you

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