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Chemistry ISCGE Question Group 3

Authored by Timothy surya

Chemistry

7th Grade

Used 4+ times

Chemistry ISCGE Question Group 3
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25 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the composition of Stainless Steel

Iron(56%), Chromium(10%), Nickel(12%) Carbon(22%)

Iron(73%), Chromium(18%), Nickel(8%) Carbon(1%)

Tin(63%), Chromium(28%), Nickel(10%) Lead(1%)

Iron(83%), Lead(8%), Chromium(30%) Lead(1%)

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the Special Properties Of Brass

Shiny like silver

Yellow color like gold

Resistant to Precipitate,attractive silver color like metal

Shiny like penny

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the uses of Stainless Steel

Joining Metal Object,Coins,Musical Instruments

Decorative item,art instrument,coins

Coins,Musical Instruments

Medical instruments,Cutlery

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

How Much Copper contain In Pewter

Copper(2%)

Copper(2.5%)

Copper(1.5%)

Copper(1%)

5.

MULTIPLE CHOICE QUESTION

20 sec • 6 pts

What's the composition of All of the Alloy

Brass:Tin(50%),

Lead(50%)

Stainless Steel:Tin(95%),Antimony(1.5%)

Solder:Copper(70%),Zinc(30%)

Pewter:Iron(73%),Chromium(18%),Nickel(8%)Carbon(1%)

Brass:Copper(70%),Zinc(30%)

Stainless Steel:Iron(73%),Chromium(18%),Nickel(8%)Carbon(1%)

Solder:Tin(50%),Lead(50%)

Pewter:Tin(95%),Antimony(1.5%)

Brass:Copper(70%),Zinc(30%)

Stainless Steel:Iron(73%),Chromium(18%),Nickel(8%)Carbon(1%)

Solder:Tin(65%),Antimony(1.5%)

Pewter:Tin(50%),Lead(50%)

Brass:Tin(65%),Antimony(1.5%)

Stainless Steel:Tin(50%),Lead(50%)

Solder:Iron(73%),Chromium(18%),Nickel(8%)Carbon(1%)

Pewter:Copper(70%),Zinc(30%)

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following are not the reasons alloys are used?

To make things harder and stronger

To lower melting points of metals

To make metals more resistant to corrosion

To raise melting points of metals

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the definition of an alloy?

A mixture of metal and elements

An element

A mixture of elements

A mixture of metals

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