Chemical reactions Flashcards
(17 cards)
What is the replacement reaction acronym?
Purple Snakes Can Make Apples Cause Zebras In Turkeys Love Hats Creating Silver Gold Platinum
Metal + acid =
Hydrogen + salt
Metal hydroxide + acid =
Salt + water
Metal oxide + acid =
Salt + water
Metal carbonate + acid =
Salt + carbon dioxide
+ water
What is a base?
Anything that neutralises an acid and has pH greater than 7
What is an alkali ?
A base that dissolves
Salt
A compound of a positive ion and negative ion
Neutral
pH7, neither acidic or alkaline
Which metals react with oxygen?
Potassium Sodium Calcium Magnesium Aluminium Carbon Zinc Iron Tin Lead Hydrogen Copper
Which metals react with dilute acid?
Potassium Sodium Calcium Magnesium Aluminium Carbon Zinc Iron
Which metals react with water ?
Potassium
Sodium
Calcium
Which metals are distracted in displacement reactions with carbon?
Zinc Iron Tin Lead Hydrogen Copper
Which metals are native metals?
Silver
Gold
Platinium
Which metals discharge hydrogen?
Potassium Sodium Calcium Magnesium Aluminium Carbon Zinc Iron tin Lead
Which metals discharge pure metal?
Copper
Silver
Gold
Platinium
What happens during neutralisation?
An acid neutralises a base and products are neutral
