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Q 1. Which of the following is not an organic acid?
Tartaric acid
Citric acid
Acetic acid
Sulphuric acid
Q 2. Select the substance which shows acidic behavior in its aqueous solution.
Urea
C6H12O6
HCl
C2H5OH
Q 3. Identify 'X' in the following reaction. FeCl3 + 3NaOH → X  + 3NaCl
Fe(OH)2
Fe2O3
Fe(OH)4
Fe(OH)3
Q 4. A natural source of lactic acid is
Vinegar
Curd
Orange
Lemon
Q 5. Which of the following compound can turn blue litmus solution red?
NaOH
CH3CHO
CH3OCH3
CH3COOH
Q 6. One molecule of hydrated CuSO4 contains
2 Molecules of water of crystallisation
5 molecules of water of crystallisation
3 molecules of water of crystallisation
10 molecules of water of crystallisation
Q 7. Solvay process is used for preparing
Bleaching soda
Washing soda
Plaster of Paris
Glass
Q 8. What are the by-products formed in the chlor-alkali process?
Hydrogen and oxygen
Sodium and oxygen
Hydrogen and chlorine
Sodium and chlorine
Q 9. Which of the following compound is used in soda-acid fire extinguishers?
Washing soda
Slaked lime
Baking soda
Calcium carbonate
Q 10. Acids when dissolved in water produce
Hydride ions
Hydrogen ions
Hydroxide ions
Hydrogen and hydroxide ions
Q 11. Which of the following is used for disinfecting drinking water to make it free from germs?
CO2
O2
CaOCl2
NaHCO3
Q 12. Citric acid is an example of
Organic acid
Mineral acid
Strong base
Weak base
Q 13. What products are formed when aluminum reacts with dilute sulphuric acid?
Al2O + H2+ SO2
Al(OH)3+ H2+ SO2
Al2(SO4)3+ 3H2
Al2(SO4)3+ 3H2+ SO2
Q 14. The colour of anhydrous copper sulphate is
Blue
Red
Yellow
White
Q 15. Which of the following processes is called chlor-alkali process?
Ca(OH)2 + Cl2 → CaOCl2 + H2O
NaCl + H2O + CO2 + NH3 → NH4Cl + NaHCO3
2NaCl(aq) + 2H2O(l)  → 2NaOH(aq) + Cl2(g) + H2(g) 
None of the above
Q 16. In basic solutions red cabbage indicator turns
violet
blue
pink
green
Q 17. Which of the following substances is used for supporting fractured bones?
CaSO4
CaSO4.2H2O
CaSO4.1/2 H2O
Na2SO4
Q 18. The strength of an acid depends upon
Concentration of hydrogen ions
Concentration of hydroxide ions
Concentration of peroxide ions
Concentration of sulphate ions
Q 19. Which of the following chemical is used to treat hyperacidity?
Milk of magnesia
Sodium hydroxide
Green vitrol
Plaster of Paris
Q 20. Bee-sting contains
Acetic acid
Ethanoic acid
Methanoic acid
Tartaric acid
Q 21. A fruit juice is tested for its pH value. What could be its possible pH if the colour is changed to yellow?
Less than 6.0
More than 7.5
7
Between 6.5 and 7.5
Q 22. The common name of the compound with the molecular formula CaSO4.2H2O is
Gypsum
Epsum
Soda ash
Plaster of Paris
Q 23. The pH value of a solution is in the range of 6 to 8. What is the colour developed when a student adds 3 drops of universal indicator in the solution?
Red
Blue
Green
Orange
Q 24. Which of the following is a strong base?
Magnesium hydroxide
Potassium hydroxide
Calcium hydroxide
Ammonium hydroxide
Q 25. Baking powder is a mixture of:
Sodium hydrogen carbonate and oxalic acid
Sodium carbonate and tartaric acid
Sodium hydrogen carbonate and tartaric acid
Sodium carbonate and oxalic acid
Q 26. Vapours of acetic acid smell
Pungent like vinegar
Sweet like rose
Suffocating like sulphur dioxide
Odourless like water
Q 27. The property which is common between vinegar and curd is that they
Have sweet taste.
Have bitter taste.
Have astringent taste.
Have sour taste.
Q 28. Which of the following will be the strongest base?
pH = 7.5
pH = 8.5
pH = 11.5
pH = 13
Q 29. Common salt is used as a 
Preservative
Flavouring agent
Fertiliser
All of the above
Q 30. Aqueous solution of sodium hydroxide turns blue litmus
Red
Pink
Colourless
No change
Q 31. Which of the following will have the lowest pH?
CH3COONa
CH3COOH
NaOH
NaHCO3
Q 32. Which of the following property is not shown by acids?
Acids dissociate in water to give OH- ions.
Acids are sour in taste.
Acids are corrosive.
Acids dissociate in water to give H+ ions.
Q 33. Carbon dioxide is an example of
Neutral oxide
Acidic oxide
Basic oxide
Amphoteric oxide
Q 34. Which of the following does not conduct electricity?
Hydrochloric acid
Sodium hydroxide
Distilled water
Rain water
Q 35. Which of the following is a base?
Metal oxide
Metal hydroxide
Metal carbonates
All of the above
Q 36. Which of the following is an example of an amphoteric oxide?
Sodium oxide
Sulphur dioxide
Aluminium oxide
Carbon monoxide
Q 37. Which of the following salt is basic in nature?
Sodium acetate
Sodium chloride
Aluminium chloride
Potassium nitrate
Q 38. The pH of a solution which is neither acidic nor basic is
5
6
7
8
Q 39. Litmus solution is a purple dye, which is extracted from
Spirogyra
Blue-green algae
Lichen
Red algae
Q 40. Tomato juice will have a pH
7
1.4
4.1
2

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