Unit of power is
Watt
Ohm
Newton
Joule
___________is a substance,which has mass and occupies space.
Matter
Unit
Mass
"matter can be neither be created nor be destroyed" is:?
Conservation of energy
Conservation of mass
Conservation of water
None of these
NH3 is
Diatomic
Monatomic
Triatomic
The height of a person is 155.01 cm.What is the least count of the scale used?
1
1.0
0.01
0.001
What is the weight of oxygen required for the complete combustion of 2.8 kg of ethylene?
2.8 kg
6.4 kg
9.6 kg
96 kg
Which of the following is/an pure substance.
Blood
Carbon
Steel
What volume of 6mol Hcl and 2mol Hcl should be mixed to set two litres of 3mol Hcl?
2.5 L
1.5 L
3.5 L
4.5 L