Alkali Metals, Alkaline-earth Metals Jamb Chemistry Past Questions
Question 1
Which of the following metals burns with brick red
- A. Pb
- B. Ca
- C. Na
- D. Mg
Question 2
The constituent common to duralumin and alnico is
- A. Co
- B. Mn
- C. Al
- D. Mg
Question 3
The Consecutive members of an alkane homologous series differ by
- A. CH
- B. CH\(_2\)
- C. CH\(_3\)
- D. C\(_n\)H\(_n\)
Question 4
Which of the following metals cannot replace hydrogen from water or steam?
- A. Sodium
- B. Magnesium
- C. Iron
- D. Copper
Question 5
Aluminium does not react with either dilute or concentrated trioxonitrate (V) acid because
- A. it is insoluble in either dilute or concentrated trioxonitrate (V) acid
- B. it is lower than hydrogen in the electrochemical series
- C. the reaction with trioxonitrate (V) acid has a light activation energy
- D. an insoluble oxide is formed on its surface which renders it passive
