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WorksheetsAcids, Bases, and Salts
Total questions: 14
Worksheet time: 11mins
Which indicator is colourless in acid and pink in alkali?
Litmus
Phenolphthalein
Universal Indicator
Methyl Orange
What is formed when zinc reacts with sodium hydroxide?
Zinc hydroxide and sodium
Sodium zincate and hydrogen gas
Zinc oxide and hydrogen gas
Sodium zincate and water
A child got stung by a bee. Some of the Elders suggest to add Baking Soda or Lemon Juice. Which one do you think is Appropriate ?
Lemon Juice
Water
Baking Soda
None of the Above
Which one of the following will turn blue litmus red?
Vinegar
Lime water
Baking soda solution
Washing soda solution
Which of the following salts has no water of crystallization?
Blue Vitriol
Washing soda
Baking soda
Gypsum
The difference of molecules of water in gypsum and PoP is
5/2
2b
3/2
½
Which one of the following can be used as an acid -base indicator by a visually impared student?
Litmus
Turmeric
Vanilla essence
Petunia leaves
Which of the following is not a mineral acid?
Hydrochloric acid
Citric acid
Sulphuric acid
Nitric acid
Metal hydrogen carbonates react with acids to give
salt ,water , chlorine
salt , water and carbon di oxide
salt and carbon di oxide
salt , hydrogen and carbon dioxide
which of the following is used for dissolution of gold?
Hydrochloric acid
Sulphuric acid
Nitric acid
Aqua regia
Colour of methyl orange indicator in acidic medium is......
yellow
green
orange
red
Chlor-Alkali process ...... are produced
NaOH, Cl2
NaOH, Cl2,H2
NaOH, Cl2, N2
None of these
Which is the correct set of acid properties:
sour taste, corrosive, change litmus from red to blue
sour taste, corrosive, change litmus from blue to red
sweet taste, slippery, change litmus from blue to red
sour taste, slippery, change litmus from blue to red
