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11/21/2015 ম োশোরফ ম োসেন 1
শিখনফল
1.5 KwbK¨vjd¬v¯‹ I Iqvk †evZj, ey¨‡iU, wc‡cU e¨env‡ii †KŠkj ej‡Z
cvi‡e|
1.6 w¯úwiUj¨v¤ú ev eyb‡mb evY©vi Øviv †U÷wUDe, weKvi,
†MvjZwjd¬v¯‹, KwbK¨vjd¬v¯‹, †cv‡m©wjb evwU ev IqvUvi ev‡_
Zvc †`Iqvi †KŠkj e¨vL¨v Ki‡Z cvi‡e|
1.7 wi‡q‡R›U †evZ‡ji e¨env‡ii †KŠkje¨vL¨v Ki‡Zcvi‡e|
11/21/2015 2ম োশোরফ ম োসেন
Erlenmeyer Flask
Note the size
Florence Flask
11/21/2015 3ম োশোরফ ম োসেন
Wash Bottle
Distilled
Water
11/21/2015 4ম োশোরফ ম োসেন
9.64
24.16
11/21/2015 5ম োশোরফ ম োসেন
At Endpoint
Read Record
Final
Reading
Final Reading – Initial Reading = Volume Delivered
11/21/2015 6ম োশোরফ ম োসেন
Fill
Above
Calibration
Wipe
Tip
Drain
To
Calibration
Touch
Container
To
Remove
Drop
11/21/2015 7ম োশোরফ ম োসেন
Allow
To
Drain
Touch
Tip
To
Flask
Some
Will
Remain
In
Tip
11/21/2015 8ম োশোরফ ম োসেন
11/21/2015 9ম োশোরফ ম োসেন
Bunsen Burner
11/21/2015 10ম োশোরফ ম োসেন
Precautions
BUNSEN BURNER HEATING TEST TUBES
HOT PLATE
CANDLE
11/21/2015 11ম োশোরফ ম োসেন
Precautions
HOT GLASS DOES NOT LOOK HOT
REPORT BROKEN GLASS TO THE TEACHER
11/21/2015 12ম োশোরফ ম োসেন
11/21/2015 13ম োশোরফ ম োসেন
Test Tube Holder
11/21/2015 14ম োশোরফ ম োসেন
Spatula
11/21/2015 15ম োশোরফ ম োসেন
Beaker Tongs
11/21/2015 16ম োশোরফ ম োসেন
Burner
11/21/2015 17ম োশোরফ ম োসেন
Evaporating Dish
11/21/2015 18ম োশোরফ ম োসেন
Crucible and cover
11/21/2015 19ম োশোরফ ম োসেন
Clay Triangle
11/21/2015 20ম োশোরফ ম োসেন
Crucible Tongs
11/21/2015 21ম োশোরফ ম োসেন
Ringstands and their Components
Wire Gauze
11/21/2015 22ম োশোরফ ম োসেন
Flask Tongs
Used to hold
a flask by the
neck after
being
heated.
11/21/2015 23ম োশোরফ ম োসেন
11/21/2015 24ম োশোরফ ম োসেন
11/21/2015 25ম োশোরফ ম োসেন
11/21/2015 26ম োশোরফ ম োসেন
ক) wc‡c‡Ui mvnv‡h¨ 5 wgwjA·vwjK GwmW `ªবণ bvI|
L) wc‡c‡Ui mvnv‡h¨10 wgwj †mvwWqvgKve©‡bU `ªবণ
bvI|
দলগত কাজ
11/21/2015 27ম োশোরফ ম োসেন
বাড়ীর কাজ
M) †U÷wUDe, weKvi, †MvjZwjd¬v¯‹,
KwbK¨vj d¬v¯‹, †cv‡m©wjbevwU ev
IqvUvi ev‡_ , ey¨‡iU, AvqZbwgwZK
d¬v¯‹ I wc‡c‡UiwPÎ AsKb Ki|
11/21/2015 28ম োশোরফ ম োসেন
11/21/2015 29ম োশোরফ ম োসেন

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