Which of the following is not true about Bronsted-Lowery theory?

  • an acid is a proton donor
  • a base is a proton acceptor
  • all Arrhenius acids are also acids in the Bronsted-lowery theory
  • all the bases included in Bronsted-lowery theory except oh- are also Arrhenius bases

What is the pH of the apple?

  • 5.5 - 7.0
  • 6.5 - 7.0
  • 6.0 - 7.5
  • 6.5 - 7.5

What is the experimentally determined concentration of H+ ions at 25 degrees Celsius?

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

The self-ionization of water occurs to a very small extent because water is a/an

  • strong electrolyte
  • weak electrolyte
  • amphoteric substance
  • liquid

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

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

What is the effect of the base on blue litmus paper?

  • it remains blue
  • it turns pink
  • it turns red
  • it becomes colorless

What is the pH at which Phenolphthalein changes color?

  • 5.5
  • 7
  • 9
  • 10

Secretion of too much acid in the stomach causes

  • nausea
  • vomit
  • indigestion
  • cancer

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

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

What is the effect of acid on the skin?

  • no effect
  • causes skin cancer
  • corrosive
  • causes harm to skin tissue

What is the color of methyl red in the basic solution?

  • yellow
  • blue
  • pink
  • colorless

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

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

What is the main component of digestive juice in the stomach?

  • hydrochloric acid
  • sulphuric acid
  • saliva
  • water

The solution is basic when pH is

  • greater than 6
  • greater than 7
  • less than 7
  • less than 6

What is the pH of baking soda?

  • 8
  • 9
  • 10
  • 11

Which of the following is used to crave patterns during etching?

  • acid
  • base
  • dye
  • water

A base is a substance that ionizes in water to produce

  • H+ ions
  • OH- ions
  • O2
  • H2

Which of the following increases when pH is less than 7?

  • [H+]
  • [OH-]
  • [OH+]
  • [O-]

Considering the methods for making salt, the reaction of acid and metal oxide gives

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

What is the pH of lemon juice?

  • 0
  • 1
  • 2
  • 3

The reaction between H+ ions of acid and OH- ions of a base is called

  • titration
  • neutralization
  • synthesis reaction
  • decomposition reaction

What is the pH of acid from batteries?

  • 0
  • 1
  • 2
  • 3

What is the pH of milk of magnesia?

  • 10
  • 11
  • 12
  • 13

What is the second part of the name of salt?

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

What is the effect of the base on the skin?

  • no effect
  • causes skin cancer
  • corrosive
  • causes harm to skin tissue

What is the pH of the potato?

  • 5.5 - 7.0
  • 6.5 - 7.0
  • 5.5 - 6.5
  • 6.5 - 7.0

What is the color of methyl orange in vinegar?

  • red
  • yellow
  • blue
  • pink

What is the effect of acid on red litmus paper?

  • it turns blue
  • it turns pink
  • it remains red
  • it becomes colorless

Which of the following is used in making mortar, plasters, cement?

  • sodium hydroxide
  • potassium hydroxide
  • calcium hydroxide
  • magnesium hydroxide

An acid is a substance that ionizes in water to produce

  • h+ ions
  • oh- ions
  • oxygen gas
  • hydrogen gas
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