Question

iv)
-)
He bends towards the normal
(C) passes without bending
(D) reflects to air
The second focal point is located at
of a human eye.
(A) Retina
(B) Optic nerve
(C) Cornea
(D) Pupil
The reaction in which two molecules react to form a single product is know
reaction.
(A) substitution
(B) addition
(C) hydrogenation
(D) polymerisation
as
(B) Solve the following questions:
Identify the type of the following reaction of carbon compounds:
(a) CH-CH2 - CH2 -OH → CH, -CH-COOH.
(b) CH, - CH = CH – CH2 + Br, → CH2 - CHBr - CHBr - CH,.
State whether the following statements are 'True' or 'False':
The filament in the electric bulb is made of a wire with high melting point.
Name the following:
(a) Three elements with filled outermost shell.
(b) Three alkaline earth metals.
Give scientific reasons: (any two)​

Answer 1

Answer:

1.question is not clear

2.A retina

3.B.addition

4.A.oxidation

B.addition

5.a.true

b.helium, neon,argon