What is the pH of bleach?

  • 3
  • 4
  • 13
  • 14

When [H+] is equal to 1 x 10-7, the solution is

  • neutral
  • acidic
  • basic
  • amphoteric

What is the pH at which Bromothymol blue changes color?

  • 5.5
  • 7
  • 9
  • 10

At pH6, Methyl red changes color from red to

  • pink
  • blue
  • yellow
  • orange

Which of the following is used as an antacid and laxative?

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

What is the pH of onion?

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

KHCO3 is a/an

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

How many replaceable H-atoms are present in Carbonic acid?

  • two
  • three
  • four
  • five

The negative logarithm of the molar concentration of H+ ions in aqueous solutions is called

  • self-ionization of water
  • hydrogenation
  • ph
  • equilibrium constant

What is the pH of the ammonia solution?

  • 8
  • 9
  • 10
  • 11

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

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

What is the pH of a broad bean?

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

Color is changed from red to yellow by methyl red at

  • ph3
  • ph4
  • ph5
  • ph6

What is the pH of the drain cleaner?

  • 1
  • 2
  • 12
  • 14

What is the pH of black coffee?

  • 2
  • 3
  • 4
  • 5

Product of [H+] and [OH-] is always

  • 1 x 10-10
  • 1 x 10-4
  • 1 x 10-14
  • 1 x 10-7

Intensely colored organic compounds are called

  • ph
  • red litmus paper
  • blue litmus paper
  • indicators

Na2SO4 is a/an

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

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

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

Which of the following is used to clean metals and bricks?

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

Kw = Kc [H2O] is termed as

  • ionization constant for water
  • equilibrium constant for water
  • ph for water
  • formula for water

What do we use to reduce unpleasant fishy odor?

  • nitric acid
  • citric acid
  • hydrochloric acid
  • sulphuric acid

Art that uses acid to crave patterns into a metal, glass and other materials is called

  • painting
  • calligraphy
  • acid art
  • etching

How much hydrochloric acid is secreted each day by gastric glands?

  • 1 liter
  • two liters
  • three liters
  • four liters

The water molecule which accepts a proton becomes a negatively charged

  • hydroxide ion
  • oxygen ion
  • hydrogen ion
  • hydronium ion
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