Considering Bronsted-Lowery theory, an acid is a

  • proton acceptor
  • electron acceptor
  • proton donor
  • electron donor

What is the color of methyl orange in the NaOH solution?

  • red
  • yellow
  • blue
  • pink

What is the first part of the name of salt?

  • negative part of the acid
  • base
  • metal ion
  • non metallic ion

Substances that react with both acids and bases are called

  • Lewis acids
  • amphoteric substances
  • salts
  • Lewis bases

Partial neutralization of Carbonic acid forms

  • carbon dioxide
  • hydrogen carbonate
  • carbonate
  • carbon monoxide

When [H+] is greater than 1 x 10-7, the solution is

  • neutral
  • acidic
  • basic
  • amphoteric

What happens to the solution when pH is less than 7?

  • it becomes acidic
  • it becomes basic
  • it becomes neutral
  • it becomes amphoteric

What is the term used for a reaction in which two water molecules produce ions?

  • hydrogenation
  • halogenation
  • dehydration
  • self-ionization

What is the term used for a salt which is formed by the partial neutralization of a polyhydroxy base?

  • basic salt
  • common salt
  • acid salt
  • normal salt

What is the experimentally determined concentration of OH- ions at 25 degrees Celsius?

  • 1 x 10-2
  • 1 x 10-4
  • 1 x 10-7
  • 1 x 10-10

Complete neutralization of Carbonic acid forms

  • carbon dioxide
  • hydrogen carbonate
  • carbonate
  • carbon monoxide

When [H+] is less than 1 x 10-7, the solution is

  • neutral
  • acidic
  • basic
  • amphoteric

Which of the following is used as an acidulant for food?

  • hydrochloric acid
  • nitric acid
  • sulphuric acid
  • phosphoric acid

Which of the following is used in the manufacture of many chemicals, drugs, dyes, paints, and explosives?

  • hydrochloric acid
  • nitric acid
  • sulphuric acid
  • phosphoric acid

What is the color of methyl orange in lemon juice?

  • red
  • yellow
  • blue
  • pink

Which theory was proposed to overcome the shortcomings of the Arrhenius theory?

  • Bronsted-Lowery theory
  • Lewis theory
  • Bohr atomic theory
  • Dalton's theory

What is the pH of water?

  • 4
  • 5
  • 6
  • 7

What is the term used for a salt which is formed by the complete neutralization of an acid?

  • basic salt
  • common salt
  • acid salt
  • normal salt

K2CO3 is a/an

  • basic salt
  • common salt
  • acid salt
  • normal salt

What is the pH of orange juice?

  • 0
  • 1
  • 2
  • 3

What is the pH of the seawater?

  • 8
  • 9
  • 10
  • 11

What is the pH of gastric juice?

  • 0
  • 1
  • 2
  • 3

What is the optimum pH range of a swimming pool?

  • 6.2-6.6
  • 7.2-7.6
  • 7
  • 8.2-8.6

What is the pH at which methyl red changes color?

  • 5.5
  • 7
  • 9
  • 10

If [H+] increases, [OH-]

  • also increases
  • remains same
  • decreases
  • none of above

PH method was proposed by

  • Arrhenius
  • Soren Sorenson
  • Lewis
  • Bohr

What is the color of methyl orange in the HCl solution?

  • red
  • yellow
  • blue
  • pink

Considering the methods for making salt, the reaction of salt and salt gives

  • salt and water
  • salt and hydrogen
  • salt, carbon dioxide and water
  • salt and salt

Which of the following is used in the manufacture of fertilizers and explosives?

  • hydrochloric acid
  • nitric acid
  • sulphuric acid
  • phosphoric acid

What is the pH of the tomato?

  • 5.5 - 7.0
  • 6.5 - 7.0
  • 5.5 - 6.5
  • 6.5 - 7.0
0 h : 0 m : 1 s

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