1. Burning of paper is a  AmmoniaCatalystchemicalchlorinehydrogenIronlightmelaninoxygenproductssunlightwater change.

2. The burning of matchstick is an example for chemical reaction based on  AmmoniaCatalystchemicalchlorinehydrogenIronlightmelaninoxygenproductssunlightwater.

3.  AmmoniaCatalystchemicalchlorinehydrogenIronlightmelaninoxygenproductssunlightwater metal undergoes rusting.

4. The pigment responsible for browning of apples is  AmmoniaCatalystchemicalchlorinehydrogenIronlightmelaninoxygenproductssunlightwater.

5. Reactants get converted to  AmmoniaCatalystchemicalchlorinehydrogenIronlightmelaninoxygenproductssunlightwater.

6. Photosynthesis is a chemical reaction tht takes place in presence of  AmmoniaCatalystchemicalchlorinehydrogenIronlightmelaninoxygenproductssunlightwater.

7. Iron objects undergo rusting when exposed to  AmmoniaCatalystchemicalchlorinehydrogenIronlightmelaninoxygenproductssunlightwater and  AmmoniaCatalystchemicalchlorinehydrogenIronlightmelaninoxygenproductssunlightwater.

8.  AmmoniaCatalystchemicalchlorinehydrogenIronlightmelaninoxygenproductssunlightwater is the basic material to manufacture urea.

9. Electrolysis of brine solution gives  AmmoniaCatalystchemicalchlorinehydrogenIronlightmelaninoxygenproductssunlightwater and  AmmoniaCatalystchemicalchlorinehydrogenIronlightmelaninoxygenproductssunlightwater gases.

10.  AmmoniaCatalystchemicalchlorinehydrogenIronlightmelaninoxygenproductssunlightwater is a chemical substance which alters the speed of a chemical reaction.