2. True / False:a. Carbon di oxide released during photosynthesis.b. D

1.	2. True / False:a. Carbon di oxide released during photosynthesis.b. Digestion of starch starts in the stomach.C. Sodium hydroxide turns blue litmus red. -d. Tron and rust are the same substance.e. Cutting a log of wood into pieces is a chemical change.f. Tooth decay is caused by the presence of base.g. Formation of manure from leaves is a physical change.h. The gall bladder temporarily stores bile.i. The tongue helps in mixing food with saliva.i. Nitric acid turns red litmus blue.
Answer» 1st True4th False5th False6th False7th False8th False9th True10th False 1st false 2nd false 3rd true4th false 5th false 6th false 7th true 8th false 9th true 10th false 1)True2)False3)True4)false5)false6)false7)false8)true9)false10) 1=true2=false3=true4=false5=false6=false7=false8=true9=false10=false

2. True / False:a. Carbon di oxide released during photosynthesis.b. Digestion of starch starts in the stomach.C. Sodium hydroxide turns blue litmus red. -d. Tron and rust are the same substance.e. Cutting a log of wood into pieces is a chemical change.f. Tooth decay is caused by the presence of base.g. Formation of manure from leaves is a physical change.h. The gall bladder temporarily stores bile.i. The tongue helps in mixing food with saliva.i. Nitric acid turns red litmus blue.

Answer»

1st True4th False5th False6th False7th False8th False9th True10th False

1st false 2nd false 3rd true4th false 5th false 6th false 7th true 8th false 9th true 10th false

1)True2)False3)True4)false5)false6)false7)false8)true9)false10)

1=true2=false3=true4=false5=false6=false7=false8=true9=false10=false