
Acids Bases and Salts
Authored by Tia Salian
Science
7th Grade
Used 27+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Curd, lemon juice, orange juice and vinegar taste sour because they contain ____________
neutral
acids
salts
bases
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The word acid comes from the ________ word _________ which means __________
Greek word acid which means salty
Latin word acere which means sour
Persian word acide which means bitter
French word acer which means sweet
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Substances which taste bitter and feel soapy on touching are known as
Acids
Bases
Salts
Neutral
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Special type of substances are used to test whether a substance is acidic or basic. These substances are known as __________
Litmus paper
China rose
Turmeric
Indicators
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The most commonly used natural indicator is _________ it is extracted from_________
China rose extracted from China rose plant
Turmeric extracted from turmeric plant
Litmus extracted from lichens
phenolphthalein extracted from lichens
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The solutions which do not change colour of either red or blue litmus are known as __________ solutions.
neutral
acidic
basic
salty
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
china rose indicator turns acidic solutions to_________
dark pink
green
yellow
red
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