Choose the correct answer.
1. Which of the following element is a metalloid?
(a) gold
(b) copper
(c) silicon (d) argon
2. Which of the following metal cannot displace hydrogen?
(a) gold
(b) silver
(c) copper
(d) all of these
3. Which of the following element is a noble metal?
(a) gold
(b) copper
(c) silicon
(d) argon
4. Which of the following represent gold of 100 % purity?
(a) 22 carat (b) 100 carat
(c) 24 carat (d) none of these
Answers
Answered by
2
Answer:
1 copper think so I am sry
Answered by
0
Answers :
1) Silicon
2) all of the above
3) gold
4) 24 carat
Hope it was helpful for you buddy.....
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