The acid present in curd is:
  • Lactic acid
  • Citric acid
  • Oxalic acid
  • Acetic acid
Which of the property is not shown by bases?
  • Bases dissociate in water to give OH- ions
  • Bases are soapy in touch
  • Bases turn blue litmus red
  • Bases are bitter in taste
The reaction of acetic acid which is a weak acid in water is:
1-300x156.png
  • A
  • B
  • C
  • D
Which of the following acid is a weak acid?
  • HCl
  • H2SO4
  • HNO3
  • CH3COOH
The natural source of Acetic acid is:
  • Curd
  • Oranges
  • Tomatoes
  • Vinegar
Which of the following is a base?
  • Metal oxide
  • Metal hydroxide
  • Metal carbonates
  • All of the above
Which of the following is a strong base?
  • Potassium hydroxide
  • Magnesium hydroxide
  • Ammonium hydroxide
  • Calcium hydroxide
The property which is common between vinegar and curd is that they:
  • Have bitter taste.
  • Have sweet taste.
  • Have sour taste.
  • Are tasteless.
Which of the following is not an organic acid?
  • Acetic acid
  • Sulphuric acid
  • Tartaric acid
  • Citric acid
Which of the following do not contain acids?
  • Antacid
  • Tomato juice
  • Colourless aerated drink
  • Lemon juice
Which of following acid is present in tamarind?
  • Ethanoic acid
  • Sulphuric acid
  • Nitric acid
  • Tartaric acid
We should never add water to acid because:
  • The reaction is endothermic.
  • The reaction is slow.
  • The reaction is exothermic.
  • The reaction doesn't take place.
Which of the following property is not shown by acids ?
  • Acids dissociate in water to give OH- ions.
  • Acids are corrosive.
  • Acids dissociate in water to give H+ ions.
  • Acids are sour in taste.
Acids when dissolved in water produce:
  • Hydrogen and hydroxide ions
  • Hydroxide ions
  • Hydride ions
  • 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.
  • Weak base
  • Strong acid
  • Strong base
  • Weak acid
Select the substance which shows acidic behavior in its aqueous solution.
  • C6H12O6
  • HCl
  • C2H5OH
  • Urea
Select the acid responsible for the sour taste in oranges and lemons.
2.jpg
  • Citric Acid
  • Tartaric Acid
  • Carbonic Acid
  • Oxalic acid
Water soluble bases are called:
  • Acidic oxides
  • Alkalis
  • Salts
  • Metallic salts
The acid present in tomato is:
  • Oxalic acid
  • Citric acid
  • Acetic acid
  • Lactic acid
The reaction of dissociation of potassium hydroxide which is a strong base in aqueous solution is:
3.png
  • A
  • B
  • C
  • D
0 h : 0 m : 1 s

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