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प्रश्न
Select the correct answer from the choice in the bracket.
The least reactive metal.
विकल्प
magnesium
silver
copper
उत्तर
silver
APPEARS IN
संबंधित प्रश्न
Name a soft metal.
Choose the most appropriate answer
A solvent of Iodine is
Name: a non-metal which is lustrous
Give two examples of Metalloids.
Define: Formula
Name: Two substances used to make electric wires
Give one use of the following substance:
Brass
Find the atomicity of the Following molecule:
Carbon Monoxide
Fill in the blank
A metal which is a poor conductor of electricity is _______.
Classify substances into pure and impure substances in the form of a chart or tabulation.
State what are radicals. Give the names of the radicals –
(a) NO3
(b) OH
(c) SO4
(d) CO3
Write the names of elements from the following symbol:
Ir
Write an answer to the following question in your own words.
Which elements (metals and non-metals), compounds and mixtures do we use in our day-to-day life?
Select the correct answer to the statement given below:
A non-metal which exists in the liquid state.
‘An atom is the basic unit of an element’. Draw a diagram of an atom – divisible as seen today.
Select the correct answer from A, B, C, D & E for the statement given below :
A noble gas.
Select the correct answer from the choice given below to complete the sentence :
Dust in air is an example of _________ mixture.
Non-metal conducting electricity :______ :: Metal conducting electricity : Copper
Match the following.
| 1. | Element | Made up of molecules |
| 2. | Compound | Impure substance |
| 3. | Colloid | Settles down on standing |
| 4. | Suspension | Pure substance |
| 5. | Mixture | Made up of atoms |
Give the chemical formula for cane sugar.
