Hydrangea
iar reacts with water
ilule to forwaydromuns im in
laquais state crite equation
Answers
Explanation:
If by chance you do overwater your hydrangeas, the symptoms will look strikingly similar to underwatering. The plant will start to wilt, most often starting at the lower leaves closest to the ground. Leaves may start to yellow and fall off as well.
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Answer:
Saline hydrides such as NaH,CaH2 violently react with water and form metal hydroxide and hydrogen gas.
NaH(s)+H2O(l)→NaOH(aq)+H2(g)
CaH2(s)+2H2O(l)→Ca(OH)2(aq)+2H2(g)
During these reactions, large amount of energy is released so that hydrogen catches fire. CO2 cannot extinguish this fire as it is reduced by hot metal hydride.
NaH+CO2→HCOONa
To extinguish this fire, sand (a highly stable solid) can be used.
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