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प्रश्न
Give two examples of the following.
Metals which are soft
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उत्तर
Lead and Sodium
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संबंधित प्रश्न
Give two examples for the following: Metals
Fill in the blank
Chalk powder dissolved in water is an example of a Chalk powder dissolved in water is an example of a _________.
Write the Chemical Name of the Following and Also Give Their Molecular Formulae:
Vinegar
Name: an Inert Gas
Classify the following substances into elements and compounds
Mercury, sulphur, sugar, water, sand, gold, carbon, oxygen, alcohol, iron, marble, baking soda.
Give one use of the following substance:
Iron
State what are radicals. Give the names of the radicals –
(a) NO3
(b) OH
(c) SO4
(d) CO3
Complete the statement with the correct words.
Acid’s are chemicals which are _____ in taste and derived from plants and ________.
Write the names of elements from the following symbol:
Si
Represent with the help of a simple chart how matter is classified into pure or impure substances & further into elements, compounds & mixtures, with elements further segmented.
