Modern Periodic Table is based on which of the following property of elements? 

Which of the following is a mineral acid?

Which type of bond is formed between a metal and a non-metal?

What is the colour of precipitate formed when sodium hydroxide solution is added to calcium salt?

The correct relationship of molecular formula and empirical formula is .................... 

Which of the following is true for electrolysis of copper sulphate solution?

How many periods and groups are there in Modern Periodic Table?

Which of the following statement is not true regarding ionic or electrovalent bond?

Which type of bonding is present in ammonium ion?

What is the colour of the precipitate formed when sodium hydroxide solution is added to ferric salt?

What happens when ammonium hydroxide solution is added to calcium salt?

Which formula denotes the actual number of different elements present in one molecule of compound?

Which of the following anion can be discharged with maximum ease?

What is correct order of atomic size?

How the ionisation energy of the elements changes on moving top to bottom in the group?

Which of the following elements has highest ionisation energy?

Which of the ions can be discharged with maximum difficulty?

What is the correct relationship between vapour density and molecular mass?

Which type of bond is present in Chlorine molecule?

Identify the odd one:

The amount of energy released when an electron is added to the outermost shell of an isolated gaseous neutral atom is called its :

An element 'E' loses electron and becomes an ion. Name the process and ion :

Which of the following is not a strong acid?

Base furnish .............. ions in solutions.

Choose the hydroxide which is insoluble in excess of ammonium hydroxide?

Which formula denotes the simplest positive integer ratio of atoms present in a compound?

The kind of particles present in carbonic acid are ............

Which of the following contains molecules only?

Which of the following is not an oxyacid?

An example of Hydracid is ................

Which of the following statement is not true regarding acids?

Which of the following is a coloured ion?

Four solutions are taken. A copper strip is added to these. The colour of which of the follwoing will turn blue?

What happens when ammonia solution is added first drop-wise and then in excess to zinc sulphate?

If the vapour density of a gas is 15, its relative molecular mass will be .................

The salt which on hydrolysis forms acid is .................

What do you observe when caustic soda solution is added to the following solution: first a little and then in excess in copper sulphate?

If relative molecular mass of a gas is 38, what will be its vapour density? 

Which of the following is a weak electrolyte?

The cell which converts electrical energy to chemical energy is .............