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WorksheetsA little bit chemistry
Total questions: 20
Worksheet time: 14mins
which chapter is this quiz about?? (hard question)
Acids Bases and Salts
Acids Bases and .... etc
Acids.....etc
None of the above
Chemical formula of baking soda is
MgSO4
Na2Co3
NaHCO3
MgCO3
Plaster of Paris is made from
Lime stone
slaked lime
quick lime
gypsum
When hydrogen gas is prepared on a humid day ,the gas is usually passed through a guard tube containing a chemical A in order to absorb the moisture from the gas.Name the chemical A....
Sodium Bicarbonate
Potassium hydroxide
Calcium Chloride
Calcium Hydroxide
The odour of ethanoic acid resembles that of?
Rose
Burning Plastic
Vinegar
Kerosene
what is formed when Zinc reacts with sodium Hydroxide?
Zinc Hydroxide and sodium
Sodium Zincate and hydrogen gas
Sodium Zinc-Oxide and hydrogen gas
Sodium Zincate and water
Sodium Carbonate is a basic salt because it is a salt of a
Strong acid and strong base
weak acid and weak base
strong acid and weak base
weak acid and strong base
From which plant litmus is extracted
Lichens
Roses
neem
China rose
Milk of magnesia is used as an
Chocolate
Soup
antacid
None of them
True or false: a neutral solution has equal amounts of H+ and OH-.
True
False
Which is NOT an amphoteric oxide?
zinc oxide
aluminium oxide
lead (II) oxid
sodium oxide
Sulfuric acid reacts with sodium hydroxide to form salt and water. Name the salt.
sodium sulphate
sodium nitrate
sodium chloride
Sodium Hydroxide
Na2CO3.10H2O is
Washing Soda
Baking Soda
Bleaching powder
Baking powder
Which of these is 'NOT' a natural indicator
Geranium
Hydrangea
Petunia
Jasmine
What is the pH range of Human Body?
7.0 - 7.8
7.2 - 8.0
7.0 - 8.4
7.2 - 8.4
Tooth enamel is made up of?
calcium phosphate
calcium carbonate
calcium oxide
calcium chloride
Sodium Hydroxide turns phenolphthaleinsolution?
pink
yellow
colourless
orange
the atmosphere of venus is made up of thick white and yellowish clouds of (a) ?
Assertion - Ammonium Hydroxide is a weak base
Reason - Phenolphthalein becomes pink in NH3
Both A and R are true and R is the correct explanation of A
Both A and R are true and R is not the correct explanation of A
A is true but R is false
A is false but R is true
Both A and R are false
