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JNAN PUBLICATION-MATTER (NATURE OF MATTER)-EXAMPLE
- Fill in the blanks:- Some substances undergo chemical changes on hea...
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- Fill in the blanks:- Water is a substances.
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- Fill in the blanks:- Melting point of ice is .
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- Fill in the blanks:- is a volatile substance.
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- Fill in the blanks:- If pieces of zinc is immersed in dilute sulphur...
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- Fill in the blanks:- metral is used to make cooking utensils.
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- Fill in the blanks:- Presence of metalloid pollutes water.
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- Fill in the blanks:- In nature element is present in large amount.
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- Fill in the blanks:- powder is used in making matchstick.
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- Fill in the blanks:- Reaction of iron and CuSO4 produces Ferrous Sul...
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- Fill in the blanks:- Bismath is a .
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- Fill in the blanks:- is used in making electric wire.
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- Put appropriate symbol in following blanks:- Ca + H2O rarr Ca(OH)2 +
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- Put appropriate symbol in following blanks:- Fe + H2O rarr Fe O3 +
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- Put appropriate symbol in following blanks:- Zn + rarr ZnSO4 + H2
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- Match the column A with column B:-
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- Match the column A with column B:-
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- What is the sign of gold?
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- What is the colour of chlorine gas?
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- What is the boiling point of ethyl alcohol?
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