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Physical and Chemical Changes
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Physical and Chemical Changes
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Physical and Chemical Changes
Solids that flow like liquids are
glass
plastic
gel
all of above
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Physical and Chemical Changes
Polyvinyl chloride is a
metal
plastic
metalloid
gas
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Physical and Chemical Changes
Gases are compressible because of
space between particles
collision of particles
movement of particles
attraction force between particles
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Physical and Chemical Changes
Ammonia is
green in color
blue in color
colorless
brown in color
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Physical and Chemical Changes
Particles are packed closely and tightly in
solids
semi solids
liquids
gases
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Physical and Chemical Changes
‘Ethene’ is
alkane
alkene
alcohol
carboxylic acid
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Physical and Chemical Changes
Meaning of the word “anhydrous” is
with water
without water
with copper
without copper
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Physical and Chemical Changes
To make high temperature for formation of ammonia, the substance which is used, is
steel
iron
aluminum
copper
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Comment
Physical and Chemical Changes
The plastic industry began in
1707
1808
1909
2002
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Physical and Chemical Changes
The least kinetic energy is found in
solids only
liquids only
gases only
metals only
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