I THINK that that is true. It's just weathering the rock down not change composition. Lemme know if you get it right please! (:
Answer:
Pressure
Explanation:
Basically when you are pressing something you are applying force over an area thus Pressure is force divided by area.
Answer:
C. CaCrO4
Explanation:
(A. and D.) have alkaline metals Cs and Na, (B.) has NH4 -ion. Their salts are always soluble.
Answer : The correct option is A.
Explanation :
The given chemical reaction is,

In the reaction, Reactants are present on the left side of the arrow and products are present on the right side of the arrow.
Reactants are those which takes part in and undergoes change during the reaction.
Products are those which are formed during the reaction.
In the given reaction, zinc react with hydrochloric acid to form zinc chloride and hydrogen gas.
Therefore, the reactants are zinc and hydrochloric acid.