निम्नलिखित शब्दों 

Lexan is a man-made polymer used for making

Which one of the following is not a ‘Greenhouse Gas’?

The rate of evaporation increases with ______.

Which is the third lightest halogen?

Which chemical compound is commonly used in baking to provide more volume and a lighter texture to baked goods?

In the vulcanization process, natural rubber is heated with which element to enhance its properties?

Which element is used in pencil leads?

Which compound/acid commonly known as Aspirin?

Which of the following oxides is soluble in water?

Which of the following is an ore of calcium?