UNFOLD SCIENCE

2. of emergence __________is equal to the angle of incidence in a glass slab
8. oxide ___________________ Is produced when magnesium is heated.
11. The reaction in which heat is evolved with the product is __________ reaction.
12. green plants are ___________in their mode of nutrition.
13. ________ Of oxygen and gain of hydrogen is reduction.

1. Precipitation reaction produces____________ salts.
2. The addition of oxygen to a substance is called____________.
3. Leaf as the outermost epidermal layer which are covered with_________.
4. Light travels in __________ line.
5. _____________ Is the pigment found in the chloroplast which helps to absorb sunlight.
6. ___________ Add erect images formed by convex mirror.
7. A ray travelling towards the mirror is called __________ ray.
8. ___________ Mirror is used by dentist.
9. the most important criteria to decide whether the person is living or not.
10. cells __________ Helps in the closing and opening of its stomata.