The pH of the gastric juices released during digestion is

Which of the following is present in Bee sting?

Which acid is present in sour milk?

In tomato which acid is present?

Name an element which is common to all acids?

Acetic acid is commonly known as?

What are the products of the reaction when carbonate reacts with an acid?

Which of the following gas is liberated when a metal reacts with an acid?

Hardness of water is due to the presence

D2O അറിയപ്പെടുന്നത് ?

The compound which when dissolved in water makes the water hard is:

Which scientist showed that water is made up of hydrogen and oxygen?

The density of water is maximum at:

________is known as the universal solvent.

Which noble gas has highest thermal conductivity?

The most abundant rare gas in the atmosphere is :

The Equation of State for an ideal gas is represented as ________

Equal volumes of all gases under the same temperature nd pressure contain equal number of molecules, according to

Universal Gas Constant, R, is a property of

A radioactive rare gas is

Which law states that the volume of an ideal gas at constant pressure is directly proportional to its absolute temperature?

Helium gas is used in gas balloons instead of hydrogen gas because it is

Which among the following is a Noble Gas?

Which of the following sublimes on heating?

Superhalogen is:

Which element is used to kill germs in swimming pool?

Chlorine is used as a bleaching agent. The bleaching action is due to

Which of the following halogen is the second most Electro-negative element?

Which of the following is not a Halogen element?

Which among the following halogen is a liquid at room temperature?

The general name of the elements of "Group 17" is ______.

________ is a purple-coloured solid halogen.

Which of the following halogen is the most electro-negative?

The more reactive member in halogen is

Halogens contains ______.

The gas which mainly causes global warming is

Watergas = -------------- + Hydrogen

Name a gas which is used in fire extinguisher?

Name a gas which is used in the fermentation of sugar?

Which gas is most soluble in water?

How is ammonia manufactured industrially?

Which gas is known as Laughing Gas?

The gas which helps to burn substances but doesn't burn itself is

Which of the following is the lightest gas?

Which is the densest gas?

The process of accumulation of gas or liquid molecules on the surface of a solid is known as

Which is the king of poison?

Gas which causes the fading of colour of Taj Mahal is ?

The most stable form of carbon is ____________.

Which substance is used for making pencil lead?