Answer:
The answer would be 200 million years.
Explanation:
Hope you get this right, Stay safe!
Answer:
Zn + 2HCl = ZnCl2 + H2
Explanation:
as Zinc is more active than Hydrogen
as it lies before it in chemical activity series
so zinc can replace hydrogen ions found at acidic solutions
in simple substitution reaction
Answer:
Precipitation
Explanation:
There are four main stages in the water cycle. They are evaporation, condensation, precipitation and collection. Let's look at each of these stages. Evaporation: This is when warmth from the sun causes water from oceans, lakes, streams, ice and soils to rise into the air and turn into water vapour (gas).
Answer:
potassium nitrate= KNO3 ---> KNO2 + O2 and a gas evolution reaction
Explanation:
i think
