শতকরা সংযুক্তি Flashcards

1
Q

White Gold

A

Au- 90% + (Ni,Al,Mn)- 10%

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2
Q

Gunmetal

A

Cu -88% + Sn- 10% + Zn- 2%

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3
Q

জার্মান সিলভার

A

Cu - 50% + Zn- 40% +Ni- 10%

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4
Q

ব্রাস / পিতল

A

Cu -80% + Zn- 20%

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5
Q

মনের মেটাল

A

Cu 30%, Ni 67%, (Fe+ Mn) 3%

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6
Q

বেলমেটাল

A

Cu 75%, Sn 25%

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7
Q

স্টিললেস স্টিল

A

Fe 73%, Cr 18%, 8% Ni, C 1%

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8
Q

ডুরালুমিন

A

95% Al + 4% Cu + 0.5% Mn + 0.5% Mg

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9
Q

কাসা / ব্রোঞ্জ

A

90% Cu + 10% Sn

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10
Q

নিকেলয় / সংকর

A

95% Al + 4% Cu + 1% Ni

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11
Q

স্পাইজেল

A

79-89% Fe + 5-15% Mn + 6% C

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12
Q

ভিনেগার

A

6-10% CH3COOH + 94-90% H2O

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13
Q

রাজ অম্ল

A

HNO3 + 3HCl

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14
Q

ওয়াটার গ্যাস

A

CO + H2

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15
Q

ফরমালিন

A

40% H-CHO + 60% H2O

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16
Q

রেক্টিফাইড স্পিরিট

A

95.6% ইথার + 4.4% H2O

17
Q

মেথিলেটেড স্পিরিড

A

95-100% ইথার + 5-10% মিথানল + পিরিডিন + 3% বেনজিন

18
Q

অ্যাবসলিউট অ্যালকহল

A

99.5% বিশুদ্ধ অ্যালকহল