Acids & Alkali
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12 questions
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•over 6 years agoQuestion 1
Multiple Choice
1 point
An acid contains ........................... ions.
A.OH - ions
B.OH + ions
C.H+ ions
D.H- ions
Question 2
Multiple Choice
1 point
Methyl organs gives a .................... colour changes in an alkali.
A.Red
B.Orange
C.Yellow
D.Colourless
Question 3
Multiple Choice
1 point
.................................. is used to neutralize the acidic soil.
A.Lemon juice
B.Lime
C.Tomato juice
D.HCl
Question 4
Multiple Choice
1 point
Complete the reaction: Acid + Base = ......................... + ..............................
A.Salt & sugar
B.salt & water
C.Water & oxygen gas
D.Oxygen & hydrogen
Question 5
Multiple Choice
1 point
Identify the mane of the acid H2SO4.
A.Sulfuric acid
B.Hydrochloric acid
C.Nitric acid
D.Citric acid
Question 6
Multiple Choice
1 point
Identify the name of the base NaOH.
A.Potassium hydroxide
B.Calcium hydroxide
C.Sodium oxide
D.Sodium hydroxide
Question 7
Multiple Choice
1 point
Identify the given lab equipment.
A.Cylinder
B.Dropper
C.Beaker
D.Stand
Question 8
Multiple Choice
1 point
Identify the lab equipment.
A.Funnel
B.Beaker
C.Pipette
D.Stand
Question 9
Multiple Choice
1 point
Give one use of the below lab apparatus
A.can see trough it
B.used for heating
C.used to store chemicals
D.used to carry liquid
Question 10
Multiple Choice
1 point
Give one use of mortar and pestle.
A.for crushing
B.for mixing
C.for filtering
D.for storing
Question 11
Multiple Choice
1 point
similarity between acids and alkali.
A.they are sour to taste
B.they are bitter to taste
C.they are corrosive
D.they are soapy to touch
Question 12
Multiple Choice
1 point
one use of an alkali in our day to day life.
A.to clean our clothes
B.to clear our toilets
C.to reduce stomach acidity
D.all the above