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s2 chemistry > end of yeqar > Flashcards

end of yeqar Flashcards

1
Q

what two elements are liquid at room temperature

A

hg and br

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2
Q

whats group 1 of the periodic table

A

alkali metals

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3
Q

whats group 7 of the periodic table

A

halogens

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4
Q

whats group 8 of the periodic table

A

noble gases

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5
Q

whats group 2 and 3 of the periodic table

A

transition elements

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6
Q

what is a popular conducter

A

shiny metals

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7
Q

what is on the LHS on the pt

A

metals

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8
Q

whats on the rhs of the pt

A

non metals

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9
Q

what can sodium hydroxide solution be used to test?

A

To indicate the presence of metal ions

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10
Q

what cam the colour of the solution identify

A

the metal present

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11
Q

whats the test for hydrogen gas

A

burns w a speaky pop

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12
Q

whats the test for oxygen gas

A

re-lights a glowing splint

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13
Q

test for carbon dioxide is

A

turns limewater milky

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14
Q

what are the three forms of calcium carbonate

A

chalk, marble and limestone

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15
Q

what do eggshells contain

A

calcium carbonate

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16
Q

what is glass made from

A

sodium carbonate

17
Q

calcium carbonate + hydrochloric acid——-

A

calcium chloride + co2+h20

18
Q

what do you use to test for sulfates

A

barium chloride

19
Q

whats hroup 7 of the periodic table

A

haolgens

20
Q

how do you test to see if a solution contains chloride bromide or iodide ions

A

using silver nitrate

21
Q

what dose (aq) mesn

A

aqueous-disolves in a solution

22
Q

what is a hydrocarbon

A

hydrocarbons are compounds that contain hydrogen and carbon only

23
Q

what is used to idnetify halideions

A

silver nitrate

24
Q

what colour is chloride

A

white precipitate

25
Q

what colour is bromide

A

cream precipitate

26
Q

what colour is rodine

A

yellow

27
Q

what is photosynthesis

A

the process by which plants make carbohydrates from carbon dioxide

28
Q

whats the process in which energy is released from carb hydrates from plants and animals

A

respiration

29
Q

fossil fuels consist of what compounds

A

hydrocarbons

30
Q

what do hydrocarbons produce when burnt

A

co2 and h20

31
Q

hydrogen + oxygen ——

A

water

32
Q

wwater——(electroysis)

A

hydrogen + oxygen

s2 chemistry (1 decks)

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