Please select a subject first
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Brine is a concentrated solution of ______.
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Dissolved gases like sulphur dioxide and nitrogen oxides in rain water causes ________.
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_______ is/are responsible for global warming.
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_______ is the enzyme responsible for browning of vegetables and fruits.
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Define a chemical reaction.
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Is rusting good for iron materials? Explain.
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The gas collected at the cathode on electrolysis of water is
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Define the following.
Latent heat of fusion
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Name the gas evolved at cathode and anode when water is electrolysed. State their ratio by volume.
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Explain specific latent heat of vaporization of water.
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What is Electrolysis? Explain the electrolysis of water.
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Red ant sting contains ______.
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Benzoic acids are used for ______
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_______ shows both living and nonliving characteristics.
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The infecting virus particle found outside the host cell is _______.
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Female anopheles mosquito is a carrier of dengue virus.
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Penicillin is an antibiotic which is extracted from
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The reserve food material of fungi are ______ and _______
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Cell wall of fungi is made up of chitin.
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Write any two economic importance of fungi.
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