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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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SR
Siva
14 Jul
1
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MI
Mirchandani
14 Jul
diamond
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AM
Amit
13 Jul
1
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BM
Bhanupriya
12 Jul
Diamond
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KS
Kumar
12 Jul
diamond
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MN
Musarrat
12 Jul
enamel of tooth
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Hrishikesh
12 Jul
The correct option is 1.
Hardest substance known is Diamond.
Hardest mineral substance in human body is enamel of teeth.
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EK
Evee
22 May
it is diamond tooth enamel is the hardest substance in human body
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RK
Renu
07 May
d
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SG
Samruddhi
06 May
Diamond
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JB
Jonnawada
05 May
diamond
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SS
Shreya
05 May
diamond
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SK
Sandesh
03 May
diamond
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SC
Sandeep
03 May
1
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MY
Muskan
02 May
diamond
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CE
Christeena
01 May
diamond
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ID
Ishant
28 Apr
diamond
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AS
Arun
28 Apr
4
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NM
Ni
28 Apr
diamond
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RB
Reena
21 Apr
1
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