In modern periodic table while going from top to bottom in a group ______.

 

What was the element used in traditional thermometers which is highly toxic in nature?

30 litres of salt solution contains 5% salt. How many litres of water must be added so as to get a resultant solution containing 3%salt?

What is the name of the process where gas is directly converted to solids called?

Non-metallic character increases from ____.

15% of an alloy was silver. If in a quantity of alloy there was 51 g of silver, what was the quantity of the other elements in the alloy?

CuO + H2 ---> Cu + H2O. This equation is an example of

Atomic mass of Nitrogen is 14 and that of Hydrogen is 1. What will be the molecular mass of Ammonia?

Lime water turns milky when carbon dioxide is passed through it. It is due to the formation of