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Chemistry Part 10-11
- 4. 1.8 ivmvqwbK `ªe¨ msi¶Y Ie¨envi mZK©Zv
e¨vL¨v Ki‡Zcvi‡e|
1.9 e¨eüZivmvqwbK `ª‡e¨i wbivc` msi¶Y I
cwiZ¨vM ej‡Z cvi‡e|
11/21/2015 4Mosarof Hossan
- 10. WAVE YOUR HAND
OVER THE SOLUTION
TO SMELL IT (Whiff)
READ THE LABELS OF
THE CHEMICALS
BEFORE USING THEM
e¨envimZK©Zv
11/21/2015 10Mosarof Hossan