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Quiz on Chemical Reaction: Factor Affecting PDF Download eBook
MCQ: In the graph of decrease in mass against time, fastest reaction shows
- steepest curve
- less steep
- flat curve
- a plateau
A
MCQ: Ni is the symbol of
- Neon
- Nitrogen
- Nickel
- Tin
C
MCQ: Which of them is an insoluble salt?
- PbCl2 only
- HgCl2 only
- NaCl
- PbCl2 and HgCl2
D
MCQ: Pure ice melts at exactly
- −100 °C
- zero °C
- 10 °C
- 20°C
B
MCQ: Covalent compounds are poor conductors of electricity because
- they do not have ions only
- the molecules cannot carry electricity only
- they contain non-metals
- they do not have ions and the molecules cannot carry electricity
D