Recently Active Class Vii X Chemistry Questions

What do you mean by an alpha radiation? ...

Which among the following anion is more stable ...

A covalent compound that in aqueous solution conducts electricity ...

A compound whose aqueous solution will have the highest pH is ...

Which of the following pairs of substances are both used as refrigerants? ...

The chemical formula for Brown Ring test for nitrate ion is ...

Which of the following statements regarding the extraction of metals is incorrect? ...

Which of the following statements regarding hydrogen chloride gas is correct? ...

A salt reacting with dil. H2SO4 gives a reddish brown gas. The salt is ...

In the electrolysis of dil. Copper sulphate what are the ions that discharge in the electrodes? ...

In anodization of aluminium the anode is ...

The head of the safety match contains a mixture of ...

Which of the following alternatives does not mention a condition required for electrolysis? ...

Can the anode be –vely Charged and a cathode +vely charged? Give an example if your answer is yes. ...

What happens when we add ammonia to copper sulphate solution? Please provide a balanced equation. ...

The compound X drawn below is a very important compound .It prevents autoignition in internal combustion engines,and thus improves performance and engine life.The common name of the X is used to market and grade the petrol an ...

Siderite is an ore of ______. ...

An observer 1.5m tall is 20.5m away from a tower 22m high. Determine the angle of elevation of the top of the tower from the eye of the obseserver. ...

A pole 12 m high casts a shadow 4 √3 m long on the ground. Find the angle of elevation. ...

Calculate the oxidation number of Sulphur in Sulphuric acid ,Sulphurous acid,Hydrogen Sulphide ...

A ladder 15 m long just reaches the top of a vertical wall. If the ladder makes an angle of 60°with the wall, find the height of the wall. ...

How would you distinguish between a sample of Sodium Chloride solution and sodium sulphate solution. ...

Which of these is expected to have the strongest Congugate base? ...

Which of these do not follow the octet rule ? ...

The conjugate acid of NH2- is ...

Which of these gases have a tripple bond ? ...

Which of the following is most acidic? ...

A salt derived from a strong base and a weak acid will give a salt that is ...

Among the following, electron deficient compound is ...

How will the compounds solubility in water compare with the solubility of Calcium Bromide of our Universe ? ...