Carbon,Diamond and Graphite are together called:___________?

A. Allotrope
B. Isomers
C. Isomorphs
D. Isotopes

Actinides are the elements with atomic number from:

A. 97 to 104
B. 101 to 115
C. 89 to 103
D. 36 to 43

Reading of a Barometer going down is an indication of:___________?

A. Snow
B. Storm
C. Intense heat
D. Rainfall

One fathom is equal to:__________?

A. 6 feet
B. 6 meters
C. 60 feet
D. 100 cm

What are the metal bearing rocks called?

A. Bitumen
B. Bauxite
C. Metalloids
D. Ores

Soil pollution is caused by:_________?

A. Aerosol
B. Ozone
C. Acid rain
D. Pan

Radiations are harmful as it:___________?

A. Causes skin cancer
B. Causes anemia
C. Alters body tissue
D. Is unstable

The practical problem in Hydrogen production is it:______________?

A. Weight
B. Valency
C. Size
D. Chemical property

The number of ions produced by [Pt(NH3)]Cl2?

A. 4
B. 2
C. 3
D. 5

What is the name of the Active asteroid discovered near Jupiter?

A. 2019 jup1036
B. 2019 jr10a
C. 2019 ld2
D. 2019 aa1