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15 questions
Acids have _______________ taste
Sour
Sweet
Bitter
Acids turn _________ litmus red
Blue
Red
Orange
Acids give _______ions when they react with metals
hydrogen
oxygen
carbon dioxide
Corrosive means , tends to cause ______
corrosion
burning
both
pH is a scale that finds out the acidity or basicity
yes
no
The word Acidus in Latin means
acid / sour
base
The acids derived from living things are called
organic acids
inorganic acids
Water has 7 pH as it is neutral
yes
no
pH OF Sulphuric acids is ___________than 7
greater
less
Which one is concentrated ?
7 grams of salt on 100ml water
10 grams of salt in 100ml of water
A chemical that helps us find out if the given solution is acidic or basic is called an _____________
Indicator
chemical
Litmus is a natural indicator .
yes
no
Turmeric is an example of ___________
Natural Indicator
Man made Indicator
If turmeric gives red colour on adding baking powder in it what does it indicate ?
Baking soda / powder is basic in nature
Baking powder is acidic in nature
Tomatoes have ______________
Oxalic acid
Citric acid
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