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प्रश्न
Give the name of the radical - OH
उत्तर
OH – hydroxide
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संबंधित प्रश्न
Give Two Examples for Each of the Following: Inert Gases
Differentiate between:
Homogenous and heterogenous substances
Give two examples of the following.
Inert gases
Give reason: Argon is filled in electric bulbs.
Answer the following question:
When iron is mixed with sulphur at room temperature, it does not form a compound. Why?
Fill in the blank
The most abundant element in the atmosphere is _______.
Indicate whether the following statement is true or false:
A compound is made up of just one kind of atom
Elements are classified into – Metals – Non-metals – Metalloids – Noble gases. State which of A, B, C, D is a –
1. Metallic element
2. Non-metallic element
3. Metalloid
4. Noble gas.
A: Is non-malleable, non-ductile & a poor conductor of electricity ___________
B: Has lustre, is malleable and ductile & a good conductor of heat ___________
C: Is unreactive and inert and present in traces in the air _________
D: Shows properties of both metals and non-metals ___________
Give three differences between elements & compounds with relevant examples.
Select the correct answer from A, B, C, D & E for the statement given below :
A diatomic molecule.
