Question

complete the reaction
1) metal+h2o= _____+_____
2) metal+hcl= _____+_____
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Answer 1

1.Metal Hydroxide- M(OH) 2.

2.Acids react with most metals to form a salt and hydrogen gas

Ex:-(Zn)2+(hcl)2=zncl2+h2

Answer 2

$\huge\mathbb{\boxed{\fcolorbox{lime}{teal}{ANSWER}}}$

1) When a metal reacts with water, a metal hydroxide and hydrogen are formed .

↓ $\bf{Metal\:+\:H_2O\:\longrightarrow\:Metal\:hydroxide\:+\:H_2\:}$

2) When a metal reacts with HCl, Salt (metal-chloride) and hydrogen gas are formed .

→ $\bf{Metal\:+\:HCl\:\longrightarrow\:Salt\:+\:H_2\:}$

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