Litmus test: Select the correct answer — task. Science State Board, Class 9.

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1.

Which of the following gives the result shown above?

\(H_2SO_4\)
\(Zn(OH)_2\)
\(Al(OH)_3\)
\(NaHCO_3\)

2.

Which of the following gives the result shown above?

Washing soda in water
Water
(NH_4)OH\) in water
Sodium carbonate solution

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