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प्रश्न
Select the correct answer to the statement given below:
A non-metal which exists in the liquid state.
विकल्प
Chalk
Oxygen
Silicon
Bromine
Nitrous oxide
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उत्तर
Bromine
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संबंधित प्रश्न
Give two examples for the following: Metals
Fill in the blank
Use of a ................. to separate the components of a mixture of solids is based on the difference in the size of the components
Give Two Examples for Each of the Following: Non-metals
Give Two Examples for Each of the Following: Inert Gases
Write the Chemical Name of the Following and Also Give Their Molecular Formulae:
Sand
Give two examples of Metalloids.
Name: A form of carbon used as a gem
Fill in the blank
The most abundant element in the earth’s crust is _______.
Fill in the blank
A metal which is a poor conductor of electricity is _______.
Tick (√) the correct alternative from the choice given for the following statement.
Brass and bronze are
Draw a labelled diagram of an atom including its nucleus, orbits & their contents.
Complete the statement with the correct words.
__________ are chemicals formed on reaction of a base with an _____ giving salt and water.
Select the correct answer from the choice given below.
An element which is a poor conductor of heat
Who are my companions?
| Group 'A' | Group 'B' |
| 1. Stainless steel | (a) Non-metal |
| 2. Silver | (b) compound |
| 3. Bhajani mixture for milling | (c) Mixture |
| 4. Salt | (d) Element |
| 5. Coal | (e) Alloy |
| 6. Hydrogen | (f) Metal |
Select the correct answer to the statement given below:
A compound containing carbon, oxygen and calcium.
Give a reason for the following statement :
The filter paper made into a cone & placed in a funnel for filtering out the solid particles in a solid-liquid mixture should be moistened before placing it.
Give a reason for the following statement :
Brass & bronze are examples of mixtures, while copper sulphate & lead nitrate are examples of compounds.
Classify the following as elements and compounds.
Water, Common salt, Sugar, Carbon dioxide, Iodine and Lithium
Give an example for the elements derived from their Latin names.
Higher-Order Thinking questions:
Why is hydrogen considered an element?
