Question

please don't snap
it's urgent​

Answer 1

1) False

Newlands stated the law of octaves

2) Convex Lens :: Converging

Concave Lens :: Diverging

3) Methane = CH4

4) Brass, Bronze, Phosphorus, Stainless Steel

Brass, Bronze and Stainless Steel are alloys

Phosphorus is a pure Element

5) Indian Remote Sensing Satellite

Answer 2

1) False, Johann Dobereiner stated the law of triads.

2) Concave lens : : diverging

3) CH₄

4) Phosphorus, Because all expect phosphorus are alloys.

5) The full form of IRS is Indian Remote Sensing Satellite.

Purple You Army :)