WorksheetsAcid, Bases and Salts
Total questions: 20
Worksheet time: 10mins
Which of the following is an acid?
Sodium Hydroxide
Sodium chloride
Sulphur dioxide
Malik acid
Acids have soapy texture. True or False?
True
False
Substance which indicate if a substance is acid or basic is called a ___________.
China rose petals
Indicators
Turmeric
All of these
What does Gudhal mean?
Acid
Turmeric in russian
China rose petals
Salt in a dissolved form
Potassium Hydroxide is present in ?
Banana
Rust
Window cleaner
Soap
Litmus is extracted from —— ? What is mauve?
Mosses, litchis
Mosses, lichens
Lichens, purple
Lichens, magenta.
What will happen when acid is poured into the blue litmus and red litmus paper
Blue litmus becomes colourless in acid and red litmus turns into blue in base
Blue litmus turns red in acid and red litmus turns into black in base
Both a and b
Red litmus turns blue in base and blue litmus turns red in acid
What is the ph scale in acid base and neutral solutions?
7, 8 , 10
1, 7, 14
14 , 7, 1
5 , 0
What is formed during neutralisation?
Sodium hydroxide
Salt and nichrome
Salt
Water ( distilled )
Which form of Turmeric is used as an indicator?
Strips
Paste
No change
Liquid
The following substances form the acid rain——
Carbon dioxide, sulphur dioxide, nitrogen dioxide.
Sulphur hydroxide,
Carbon monoxide,
Nitrogen dioxide.
Both a and b
Carbonic acid
Sulphur acid
Nitrogen acid
Which one of the following is an artificial indicator ?
Phinophthelin
Phenophthelin
Phenophthetin
Phenolphthalein
What is added to phenolphthalein to make it colourless ?
Base
Acid
Both
Salt
What is the formula for neutralisation ?
HCI + NaHP = NaCI + H2O
HCI + NaOH = NaCI + H2O
ACiG + NaOH = NACH + H2O
NapS + nahG = agH + CO2
What is the treatment for indigestion?
Magnesium oxide
Magnesium hydroxide
Lime of Magnesia
Milk of Amnesia
What is to be given to get rid of Bee sting ?
Baking soda
Sodium hydrogen carbonated
Zinc oxide
Both a and b
we convert the acidic soil by adding ——
Quick lime
Slaked lime
Calcium oxide
All of these
How do you convert the acidic soil ?
Organic waste
Organic matter
Waste food materials
Antacids
How do we convert the factory waste?
Salt
Acids
Base
Phenolphthalein
Is coffee an acid, base or neutral
Acid
Base
Neutral
