Raw egg is completely different in shape, color, taste, smell from

The gas release on mixing fruits salt with water is

A. oxygen

B. nitrogen

C. carbonmono oxide

D. carbon dioxide

Burnt sparklers and burnt books pages are examples of

A. reversible

B. irreversible

C. same

D. constant

Heat gain makes the ice to

A. freeze

B. evaporate

C. melt

D. dissolve

Iron adopts changes slowly and gradually by process of

A. rusting

B. moldings

C. fermentation

D. explosions

Changes in matter can be observed upon

A. separating

B. filtering

C. mixing

D. heating