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Online Prep Test
NEET
Forum
Hardest substance known is___________??? 1. Diamond 2. graphite 3. alloy of tin and iron 4. enamel of tooth
Hardest substance known is___________??? 1. Diamond 2. graphite 3. alloy of tin and iron 4. enamel of tooth
ans is________
Vishalraj
25 Feb
332 Answers
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PY
Payal
05 Dec
diamond
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SM
Sneha
05 Dec
diamond
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NL
Namala
04 Dec
diamond
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IP
Indu
04 Dec
diamond
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AK
Aman
04 Dec
diamond
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UR
Usman
04 Dec
diamond
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NN
Neha
02 Dec
diamond
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SJ
Shreya
01 Dec
diamond
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SJ
Shreya
01 Dec
diamond
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SS
Shafna
01 Dec
Diamond is a hardest natural material in earth.... while enamel is the hardest one in human body
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NK
Neetu
29 Nov
1
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SR
Soumya
28 Nov
diamond
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RV
Rohan
24 Nov
diamond
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LP
Lingeshwar
24 Nov
Diamond because of this rigid three dimensional bonding pattern
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SM
Swetha
23 Nov
Diamond
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PS
Pooja
23 Nov
diamond
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HV
Harshitha
21 Nov
enamel of teeth
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KA
Kumari
17 Nov
diamond
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SG
Subham
15 Nov
Here it's Diamond But in Real Boroncarbide(BC2)is harder than diamond.
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Kallu
11 Nov
Diamond
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