mnsoomro

User banner image
User avatar
  • mnsoomro

Posts

A process in which large molecules are broken up into into smaller molecules is called as_____.

A. Reforming B. Cracking C. Refining D. Isomerization Submitted by :- Jamil Ahmed

The quality of petrol is improved by ____________?

A. Cracking B. Reforming (to increase Quality) C. Refining (to remove impurities) D. Hydration Submitted by :- Jamil Ahmed

Aldehydes and ketones both, show the type of Isomerism is __________?

A. chain Isomerism B. Functional Group Isomerism C. Metamerism D. Position Isomerism Submitted by :- Jamil Ahmed

Z number for chlorine is __________?

A. 35.5 B. 17 B. 15 D. 21 Submitted by :- Jamil Ahmed

The only non-metal exists in liquid state is ___________?

A. Mercury B. Bromine C. Phosphorus D. Iodine Submitted by :- Jamil Ahmed

The chemical symbol for silver is __________?

A. Au B. Ag C. Sv D. At Submitted by :- Jamil Ahmed

In water molecule, Hydrogen & Oxygen atoms are held together by ______ bond.

A. Ionic B. Covalent C. Hydrogen D. Dating Submitted by :- Jamil Ahmed

One Water molecule can form maximum ______hydrogen bonds.

A. 2 B. 3 C. 4 D. None Submitted by :- Jamil Ahmed

Cations possess __________ charge?

A. +ve B. -ve C. Neutral D. None Submitted by :- Jamil Ahmed

Atomic mass of an atom is present in the __________?

A. Shell B. Orbit C. Nucleus D. Orbital Submitted by :- Jamil Ahmed