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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