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WorksheetsAcids and Bases Test
Total questions: 15
Worksheet time: 15mins
Among methyle orange, phenophthalein, Turmeric paper and Litmus paper which one is natural indicator
methyle orange
phenophthalein
Turmeric paper
Litmus paper
The process of mixing of acids and bases in definite proportions is called
Salt
Water
Neutralisation
Concentration
Acids change Red litmus to
Yellow
No change
Pink
Green
Acids change
Red litmus to Yellow
Red litmus to Blue
Blue litmus to Red
Blue litmus to green
Bases change Red litmus to
Blue
No change
Pink
Yellow
The colour of Methyle orange indicator in acidic solution is
Blue
Red
Yellow
Pink
The comon name for acetic acid is
Olive oil
Lime water
Vinegar
Gingelly oil
Among hydrochloric acid, Sulphuric acid, Formic acid and Nitric acid___ is natural acid
Hydrochloric acid
Sulphuric acid
Formic acid
Nitrc acid
The pH scale ranges from _______ to __________
0-6
8-14
0-14
Acids are located from ______ to _______
0-6
8-14
0-14
Which of the following is a property of acids?
They turn blue litmus red
They feel slippery
They turn red litmus blue
They have a bitter taste
What is the pH of a neutral solution at 25°C?
0
7
14
1
Which of the following is a strong base?
Ammonia
Sodium hydroxide
Acetic acid
Citric acid
What is the product formed when an acid reacts with a metal?
Salt and water
Salt and hydrogen gas
Water and carbon dioxide
Salt and oxygen
Which of the following indicators turns pink in basic solutions?
Phenolphthalein
Methyl orange
Litmus
Bromothymol blue
