The metallic constituents of hard water are
1 Magnesium, calcium and tin
2 Iron, tin and calcium
3 Calcium, ,magnesium and iron
4 None of these
Why Colours is Important in Our Daily Life???
Why sun seems to be a red colour while sun-rising and sun- setting?
Soda-acid fire extinguisher involves the reaction between 1 Sodium hydroxide and nitric acid 2 Sodium bi carbonate and sulphuric acid 3 Sodium sulphate and carbonic acid 4 Sodium carbonate and hydrochloric acid
if appointed at aryabhatt school for how long should we expect you work with us
neel armstrong belongs to which country ?
The chemical (ethyl merceptan) added to the otherwise odorless LPG cooking gas for imparting a detectable smell to the gas is a compound of 1 Sulphur 2 Fluorine 3 Chlorine 4 Bromine
Which comet collided with jupiter?
How can we determine the no: of revolutions of earth around sun?
A man is travelling with the speed of 10m/min across the river to the opposite bank.The river water flows at the speed of 1m/s.Since the water flows at the speed higher than the boatsman, he would definitley reach the opposite river bank in a slant path.What is the length of the path he travelled?. The river is 10m wide. Please give me solution to tha above probelm. Thanks in advance
What is condensation? 1 Change of gas into solid 2 Change of solid into liquid 3 Change of vapour into liquid 4 Change of heat energy into cooling energy
A team of u.n scientists visited thumba?
Mesons are found in 1 ?-rays 2 Laser beam 3 X-rays 4 Cosmic rays
3 Answers ABC, Indian Army, JSSC,