Officerswiki is a free education & learning platform for all students and working professionals, where they can practice multiple choice questions & answers (MCQs). These all MCQs on Officerswiki are FreeMcqs which are helpful in all types of exams such as PPSC, FPSC, CSS, NTS, PMS and UPSC. Read all these questions and answer for your knowledge.
Bleaching action of chlorine is by________?
A. Oxidation
B. Reduction
C. Decomposition
D. Hydrolysis
Bleaching powder contains___________?
A. Nitrogen
B. Iodine
C. Chlorine
D. Bromine
Which one of the following gases is readily soluble in water at room temperature?
A. Chlorine
B. Nitrogen
C. Ammonia
D. Carbon dioxide
Radon is___________?
A. german radio
B. radioactive gas
C. artificial fibre
D. an explosive
Which of the following is the most toxic gas?
A. Carbon dioxide
B. Carbon monoxide
C. Nitrogen
D. Hydrogen
The 2018 Nobel Prize in Physiology or Medicine has been awarded jointly to James P Allison and Tasuku Honjo for their discovery of which cancer?
A. Chemotherapy
B. Radiation
C. Surgery
D. Immunotherapy
Air Conditioning Controls:___________?
A. Circulation of the Air
B. Humidity
C. Temperature
D. All of The Above
Earth rotates the sun in___________?
A. 23 hours 56 min 4 sec
B. 24 hours
C. 23 hours 57 min 9 sec
D. None of above
Who created the periodic table
A. Faraday
B. Lavoisier
C. Arrhenius
D. Mendeleev
Bauxite is an ore of_________?
A. copper
B. zinc
C. aluminium
D. iron
Ruby is an oxide of__________?
A. silver
B. gold
C. platinum
D. aluminium oxide
Who created the periodic table?,Which one of the following gases is readily soluble in water at room temperature?,Bauxite is an ore of?,Bleaching powder contains?,Bleaching action of chlorine is by?The 2018 Nobel Prize in Physiology or Medicine has been awarded jointly to James P Allison and Tasuku Honjo for their discovery of which cancer?
