Advertisements
Advertisements
प्रश्न
Some of the following statements are incorrect. Find the incorrect statements and correct them.
- The property of metals by virtue of which they can be drawn into wires is called ductility.
- Metals are good conductors of electricity but poor conductor of heat.
- Articles made up of metals produce ringing sound when struck hard.
- Oxides of non-metals and metals are acidic in nature.
- A less reactive metal displaces a more reactive metal from its salt solution in water.
उत्तर
- This Statement is True.
- This statement is False.
Correct Statement - Metals are good conductors of heat and electricity. - This Statement is True, because metals are sonorous.
- This statement is False.
Correct Statement - Oxides of non-metals are acidic in nature and oxides of metals are basic in nature. - This statement is False.
Correct Statement - a more reactive metal displaces a less reactive metal from its salt solution in water.
APPEARS IN
संबंधित प्रश्न
Very Short Answer Type Question:
Suggest two bases on which we can group objects.
Very Short Answer Type Question:
Select a lustrous material out of the following substances.
Very Short Answer Type Question:
Is oil soluble in water?
Short Answer Type Question:
What are the similarities between iron, copper, and aluminium?
Look at the pictures and identify the materials by which they are made of:
(paper, clay, glass, wood, plastic, metal rubber, wax
![]() |
|
![]() |
|
![]() |
____________ | ____________ | ____________ | ___________ | _____________ |
![]() |
![]() |
![]() |
![]() |
![]() |
____________ | ____________ | ____________ | ____________ | ____________ |
Stone is transparent, while glass is opaque.
A notebook has lustre while an eraser does not.
Sand settles down in the water.
Choose the odd one:
Materials which have ups and downs on their surface are called ______.