Advertisements
Advertisements
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)
Electron ______ is complete in each hydrogen in a hydrogen molecule.
Advertisements
उत्तर
Electron duplet is complete in each hydrogen in a hydrogen molecule.
संबंधित प्रश्न
How would you show that setting of curd is a chemical change?
Fill in the blank:
In some chemical reactions an insoluble ________ is formed when two solutions are mixed.
Name the type of chemical reaction shown by the following equation:
CaCO3 → CaO + CO2
A solution of a substance ‘X’ is used for white washing write the reaction of the substance ‘X’ named in (a) above with water.
What do you observe when CO2 is passed through lime water first and then a little in excess.
Give reason for the following:
Electrolytic decomposition of water is a reaction involving change of state.
Explain with the help of balanced equations, how precipitation reactions are used for identifying the positive radicals in three different salts, each having a different cation [positive ion].
The chemical change is ______.
Classify the following as physical or chemical properties
Most metal oxides form alkalis on interacting with water.
Iron and rust are the same substances.
