Please select a subject first
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Solutions of acids conduct ______.
Concept: undefined >> undefined
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______ change the colour of the indicators.
Concept: undefined >> undefined
Which acid is present in milk?
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Can we taste acids and bases to identify them?
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Are all acids corrosive in nature? Name a few acids which are non-corrosive and may be part of our food.
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Copper or brass cooking vessels are coated with tin metal. Why?
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Take a clean test tube with a holder and pour some dilute hydrochloric acid. Add a few pieces of magnesium ribbon pieces slowly. What do you observe? Now show a burning match stick near the mouth of the test tube. Do you hear any sound? The gas burns with a pop sound. From this, it is observed that hydrogen gas has been formed due to the reaction between acid and metal.
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Hydrocarbons are present in different ______ and ______.
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______ is a blue-green algae.
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Polvsiohonia is a ______ alga.
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______ is used in space travel.
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Classification of algae was given by ______.
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Minute algae floating on the surface of the water are called ______.
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______ is an example of symbiosis between algae & fungi.
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______ got from algae is used to prepare growth medium in laboratories.
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Agar-Agar is extracted from red algae.
Concept: undefined >> undefined
The cell wall of algae is made up of a chemical substance called chitin.
Concept: undefined >> undefined
