IGCSE Organic chemistry and Polymers MCQs
You can find here all questions on the IGCSE Organic chemistry and Polymers MCQs upto 2019 exams. 1.Why is ethanol a member of the homologous sRead More…
IGCSE Chemistry Test on Electricity and chemistry
IGCSE Chemistry Test on Electricity and chemistry Section A ( Multiple
choice) 1. Which statement about electrolysis is correct? A ElRead More…
IGCSE CHEMISTRY Test on Metals
IGCSE CHEMISTRY Test on Metals Q.1 Zinc and copper are elements next to each other in the
Periodic Table. (a) Zinc is obtained from zinc blendeRead More…
What is electronegativity?
What is electronegativity? Answer: It is the tendency of an atom to pull the shared pair of electron towards itself in a covalent bond. GrouRead More…
What happens if Chlorine gas reacts with NaOH ?
What happens if Chlorine gas reacts with NaOH ? The following reaction takes place when chlorine gas reacts with cold and dilute solution of NaOHRead More…
What are Primary, secondary and tertiary Carbon atom?
Primary, secondary and tertiary Carbon atom Primary Carbon: The carbon atom which is attached to minimum two hydrogen atoms. If any functionaRead More…
Which non-metal is a good conductor of electricity?
Which non-metal is a good conductor of electricity? Answer: Graphite(Carbon) is the only non metal which is good conductor of electricity. Read More…
IBDP chemistry Experiment on Titration
IBDP chemistry Experiment on Titration To find the concentration of a solution of Hydrochloric acid(HCl), using a 0.25 mole/dm3 solution of SodiRead More…
IBDP chemistry Mandatory Experiment on Enthalpy of Combustion of Ethanol
IBDP chemistry Mandatory Experiment on Enthalpy of Combustion of Ethanol
Aim:
To determine the enthalpy of combustion of ethanol experimentally using Read More…
IB Chemistry Important questions of Atomic Structure
IB Chemistry Important questions of Atomic
Structure Energy
levels for an electron in a hydrogen atom are A. evenly spaced. Read More…