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Science TNSB Mentoring
Class 9
Acids, bases and salts
pH scale
5.
Litmus test
Question:
2
m.
1
.
Which of the following gives the result shown above?
\(Zn(OH)_2\)
\(Al(OH)_3\)
\(H_2SO_4\)
\(NaHCO_3\)
2
.
Which of the following gives the result shown above?
Sodium hydroxide in water
Washing soda in water
Sodium carbonate solution
Water
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