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Class 10 Science
Acids, Bases & Salt Chapter 2
Quiz 1
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The acid present in curd is:
0%
Lactic acid
0%
Citric acid
0%
Oxalic acid
0%
Acetic acid
Which of the property is not shown by bases?
0%
Bases dissociate in water to give OH- ions
0%
Bases are soapy in touch
0%
Bases turn blue litmus red
0%
Bases are bitter in taste
The reaction of acetic acid which is a weak acid in water is:
0%
A
0%
B
0%
C
0%
D
Which of the following acid is a weak acid?
0%
HCl
0%
H2SO4
0%
HNO3
0%
CH3COOH
The natural source of Acetic acid is:
0%
Curd
0%
Oranges
0%
Tomatoes
0%
Vinegar
Which of the following is a base?
0%
Metal oxide
0%
Metal hydroxide
0%
Metal carbonates
0%
All of the above
Which of the following is a strong base?
0%
Potassium hydroxide
0%
Magnesium hydroxide
0%
Ammonium hydroxide
0%
Calcium hydroxide
The property which is common between vinegar and curd is that they:
0%
Have bitter taste.
0%
Have sweet taste.
0%
Have sour taste.
0%
Are tasteless.
Which of the following is not an organic acid?
0%
Acetic acid
0%
Sulphuric acid
0%
Tartaric acid
0%
Citric acid
Which of the following do not contain acids?
0%
Antacid
0%
Tomato juice
0%
Colourless aerated drink
0%
Lemon juice
Which of following acid is present in tamarind?
0%
Ethanoic acid
0%
Sulphuric acid
0%
Nitric acid
0%
Tartaric acid
We should never add water to acid because:
0%
The reaction is endothermic.
0%
The reaction is slow.
0%
The reaction is exothermic.
0%
The reaction doesn't take place.
Which of the following property is not shown by acids ?
0%
Acids dissociate in water to give OH- ions.
0%
Acids are corrosive.
0%
Acids dissociate in water to give H+ ions.
0%
Acids are sour in taste.
Acids when dissolved in water produce:
0%
Hydrogen and hydroxide ions
0%
Hydroxide ions
0%
Hydride ions
0%
Hydrogen ions
A substance 'A' does not dissociate completely into its ions in aqueous solutions. It is bitter in taste and soapy to touch.Identify the substance A.
0%
Weak base
0%
Strong acid
0%
Strong base
0%
Weak acid
Select the substance which shows acidic behavior in its aqueous solution.
0%
C6H12O6
0%
HCl
0%
C2H5OH
0%
Urea
Select the acid responsible for the sour taste in oranges and lemons.
0%
Citric Acid
0%
Tartaric Acid
0%
Carbonic Acid
0%
Oxalic acid
Water soluble bases are called:
0%
Acidic oxides
0%
Alkalis
0%
Salts
0%
Metallic salts
The acid present in tomato is:
0%
Oxalic acid
0%
Citric acid
0%
Acetic acid
0%
Lactic acid
The reaction of dissociation of potassium hydroxide which is a strong base in aqueous solution is:
0%
A
0%
B
0%
C
0%
D
0 h : 0 m : 1 s
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