term 1 chemistry shit idek

Question 1

what is always in an acid (1)

Answer 1

-always contain H+

Question 2

what is always in a base (1)

Answer 2

-always contain OH-

Question 3

parts of salt (2)

Answer 3

• metal

- acid

Question 4

reactions when two diff. substances convert into new substance (3)

Answer 4

• temp. changes
• gas is given off (FART)
• colour change

Question 5

molecule meaning (1)

Answer 5

two or more atoms (same or different) chemically combined

Question 6

waht is reactant (1)

Answer 6

theparts that react to form product

Question 7

reaction of magnesium oxide if combustion (1)

Answer 7

blinding white light

Question 8

iron oxide reaction in combustion (2)

Answer 8

orange firework like sparks, produced by black powder

Question 9

sulphur dioxide reaction in combustion (3)

Answer 9

stinky poopy choking gas
blue/violet flame
makes acidic solution when dissolved in water

Question 10

carbon dioxide combustion reaction (2)

Answer 10

orange glow

makes acidic solution when dissolved in water

Question 11

state symbols (4)

Answer 11

show state that matter is in
(s); (g); (l)
and (aq) means the substance is dissolved in water

Question 12

rust reaction (2)

Answer 12

Fe + O + water -> Hydrated Iron II Oxide

Question 13

acid + metal -> (1)

Answer 13

salt + hydrogen

Question 14

acid + base -> (1)

Answer 14

salt + water

Question 15

formulas of bases (2)

Answer 15

metal oxide or metal hyroxide

Question 16

allotrope meaning (1)

Answer 16

different forms of same element

Question 17

allotropes of carbon (4)

Answer 17

• coal
• graphite
• diamond
• buckminster - fullerene

Question 18

allotropes of sulfur (3)

Answer 18

orthomombic, monoclinic, plastic

Question 19

corrosion prevention methods (2)

Answer 19

• electroplating (cover surface in metal that doesnt rust ie zinc)
• painting