1. Two beakers have equal volume of Solutions. One contains 100g glucose and other 100g Urea. Will their molarities be same or different? Ex...

1. Though nitrogen exhibits +5 oxidation state, it doesn't form pentahalides. Give reason. 2. Why are pentahalides more covalent than tr...

1. Phosphine has lower boiling point than ammonia. Why? 2. State allotropic properties of group 15 elements. 3. On moving down the group ato...

1. Give the significance of lattice point. 2. Explain how much portion of an atom located at (i) corner and (ii) body-centre of a cubic unit...

1. Name the phenomenon which will occur when anhydrous calcium chloride is placed in moisture. 2. Write the mathematical expression for ...

Ques 1. Powder sugar dissolves faster than crystalline sugar. Why? Ques 2. It takes more time to cook rice at higher altitudes. Explain. Que...

Click here to watch video lessons based on The Solid State. Question:1 Define the term 'amorphous'. Give a few examples of amorph...

Define the rate of a reaction. What are its units? Why does the rate of a reaction not remain constant throughout? What is meant by ...