Online Tests of Chemistry MCQs

Which is lightest metal?

Number of bonds present in methane:

Mercury is the metal which exist

Pure alkali metals can be cut simply by knife but iron can not because of alkali metals have :

When U.325 break up, it produces:

Low pH value means

These pollutant are the wasted or exhaust product driven out because of combustion of fossil fuel and organic matter

All of the following are tri-atomic molecules except:

Indicator have____ color in acidic or basic solution

Transfer of electrons between atoms results in

Sodium- potassium alloy is used in nuclear reactor as a:

Percentage of CO₂ in atmosphere by volume is ____?

The electronegativity of nitrogen is:

The empirical formula of glucose is:

Boilig point of sodium is:

Methyl orange is ______ in alkaline solution

The colour of Br is:

How many types of formula of organic compound

Which element is found in most abundance in the atmosphere?

Atomic size of sodium atom is:

The empirical formula of glucose is:

A benzene ring is made of carbon atoms

Lead pencils are made by maxing graphite with clay in the  %age of?

Which one of the following is less malleable:

Carbohydrates are _____ in water.