Jamb Chemistry Past Questions For Year 2021
Question 31
A binary compound of oxygen with another element is referred to as?
- A. Oxide
- B. Element
- C. Carbon
- D. Nitrogen
Question 32
The reactions involving simultaneous oxidation and reduction?
- A. Automatic reactions
- B. Alternate reactions
- C. Reduction agency
- D. Redox reactions
Question 33
A chemical process in which there is a gain of electrons is known as?
- A. Sublimation
- B. Reduction
- C. Oxidation
- D. Distillation
Question 34
An element having the atomic number 17 will resemble which of the following elements having atomic number as given below?
- A. 33
- B. 35
- C. 18
- D. 19
Question 35
The fourteen elements (atomic number 90-103) after actinium are called?
- A. Actinoids
- B. Nucleotides
- C. Pre-actinum elements
- D. Atomic elements
