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chemistry > chemistry test 1 papers 2-7 > Flashcards

chemistry test 1 papers 2-7 Flashcards

chemistry

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1
Q

what is chemistry

A

Chemistry is scientific study that deals with with the properties,composition,structure of elements,copounds and their reaction.

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2
Q

How is chemistry devided

A

Into Physical chemistry,Inorganic chemistry,Organic chemistry and Analytic chemistry

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3
Q

what is Physical chemistry

A

It includes the study of chemical bounding and structure of matter

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4
Q

what is Inorganic chemistry

A

Describes the properties and reactions of elements and coupounds except Carbon Coupound

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5
Q

What is Organic chemistry

A

is study of Carbon coupounds

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6
Q

What is Analytical chemistry

A

studies and uses intruments and metods to so we can identify and qualify matter

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7
Q

other chemical branches(4)

A

Biochemistry,Pharmacy,Nanochemistry,Enviorment

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8
Q

the scientists that deal with chemistry are called

A

Chemists

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9
Q

a materialn that breaks easily

A

brittle

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10
Q

a material that doesnt break

A

tought

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11
Q

a material that is difficult to scratch

A

hard

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12
Q

a material that is easy to scratch

A

soft

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13
Q

a material that bends easily

A

flexible

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14
Q

a material that doesnt bend easily

A

rigid

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15
Q

when materials have smooth surface they

A

produce little friction

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16
Q

when materials have rough surface they

A

produce a lot of friction

17
Q

a material that dissolve easily in water

A

soluble

18
Q

a material that doesnt dissolve easily in water

A

insoluble

19
Q

a material that you can see through

A

transparent

20
Q

a material that you cant see through

A

opaque

21
Q

a material that burn easily

A

Combustible

22
Q

a material that Doesnt burn easily

A

Non-Combustible

23
Q

what is the matter?

A

it is everything around us that occupies space and has its mass

24
Q

Physical states of matter

A

solid,liquid,gas,plasma

25
Q

what is plasma

A

is a gas that has properties of every other gas.It has special abilities.when its heated/charged with electricity it may glow in diffriend colors.It may for strings of light.

chemistry (2 decks)

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