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प्रश्न
Complete the statement by filling the gaps using appropriate term from the terms given in the bracket.
(slow, coloured, arrow, fast, smell, milky, physical, product, chemical, reactant, covalent, ionic, octet, duplet, exchange, sharing, equality sign)
Chlorine (Cl2) molecule is formed by ______ of electrons between two chlorine atoms.
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उत्तर
Chlorine (Cl2) molecule is formed by sharing of electrons between two chlorine atoms.
संबंधित प्रश्न
The gas we use in the kitchen is called liquefied petroleum gas (LPG). In the cylinder, it exists as a liquid. When it comes out from the cylinder it becomes a gas (Change − A), then it burns (Change − B). The following statements pertain to these changes. Choose the correct one.
How do the following help in bringing about a chemical change?
light.
Fill in the blank.
The formation of gas bubbles in a liquid during a reaction is called ......................
Write true or false :
No new substance is formed during a chemical reaction.
Give an example of a reaction where the following are involved
Pressure
Name: Two carbonates do not produce carbon dioxide on heating.
What do you observe when Cobalt chloride paper is introduced in water vapour.
Silver articles turning black: ______:: Boiling of H2O: physical change ______.
Two chemical species X and Y combine together to form a product P which contains both X and Y
\[\ce{X + Y -> P}\]
X and Y cannot be broken down into simpler substances by simple chemical reactions. Which of the following concerning the species X, Y and P are correct?
(i) P is a compound
(ii) X and Y are compounds
(iii) X and Y are elements
(iv) P has a fixed composition
Define the following term:
Chemical change
