Answer:
Li
Explanation:
According to periodic table, lithium will be the most reactive element because reactivity decreases down the group
Ideal gasses (ideal gas law)
Answer:
When fuels are incompletely burnt, they release carbon monoxide gas into the atmosphere. This gas is very dangerous as it is poisonous in nature
Explanation:
Answer:
They are called homogenous mixtures. If you put sand into a glass of water, it is considered to be a mixture. You can always tell a mixture, because each of the substances can be separated from the group in different physical ways. You can always get the sand out of the water by filtering the water away.
Answer:
Decreases
Explanation:
The temperature decreases when latitude increases.
