1.
The process of converting low-grade petrol to high-grade one is called _____, while the thermal decomposition of a higher alkane fraction at high temperature to give smaller alkanes, alkenes, and sometimes hydrogen is called:
2.
Which of the following is the mineral of magnesium?
3.
Which of the following organic compounds would you expect to observe a colour change when mixed with bromine water?
4.
Halogen atoms in the ground state have____ number of electrons in their p-orbital.
5.
The structural determination of an organic compound involves:
6.
Which of the following properties of the alkaline earth metals decreases with increasing atomic weight?
7.
The ozonolysis of an alkene yields 2 moles of ethanal as the major products; the alkene is likely to be
8.
Which of the laws of chemistry is used to establish the formula of a chemical compound?
9.
Sodium reacts with a sufficient amount of oxygen in the air to produce:
10.
The main classes of reagents commonly encountered in organic reactions are:
11.
The oxidation number of oxygen in alkaline earth metal superoxides is:
12.
An organic compound that burns with a non-sooty flame, which may or may not be clear, is most likely to be _____
13.
Markownikoff’s rule is obeyed for which of the following?
14.
The effect of attracting or repelling of electrons in sigma bonds is referred to as_____
15.
Among pure metals, ______ has the highest electrical and thermal conductivity: