Acid or Base
Is Lemon Juice an Acid or a Base?
an Acid
Melting an ice cube is a _____ reaction
Endothermic
Does magnesium and hydrochloric pop when put in a container
Yes it does pop
How does burning wood/coal heat your home?
thermal energy is realised
Where on the pH scale is Water?
7
Is drain cleaner an Acid or Base?
a Base
Burning of a candle is a ________ reaction
Exothermic
Will zinc dissolve in hydrochloric acid?
Yes
How does an jet engine propel the jet?
Burning fuel heats air which drives the turbines
Where on the pH scale is Baking soda
(range of 1)
9
Is Water an acid or base?
Neither
Hydrocarbons in an engine is a ________ reaction
Exothermic
what gas is produced when Iron is put in Hydrochloric acid?
Hydrogen gas, and Iron chloride
How is fire hot?
Thermal energy is released
Where on the pH scale is bleach?
(range of 1)
13
Is Milk an acid or a base?
an Acid
Rusting of iron is a _______ reaction
Exothermic
How does Lithium react with Hydrochloric acid?
Produces Lithium Chloride and water
What happens when petrol burns in a car engine?
Carbon monoxide, carbon dioxide, oxides of nitrogen, and water is produced
Where on the pH scale is milk?
(range of 1)
6
Is Blood an acid or base?
a Base
Evaporating of liquid is a _______ reaction
How does gallium react with hydrochloric acid?
Produces hydrogen gasses very slowly
What is the equation for burning wood?
CH4+4O2-->CO2+H2O (plus heat)
Where on the pH scale is a banana?
(range of 1)
4.5