Explore topic-wise InterviewSolutions in Current Affairs.

This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.

1.

Which is called stranger gas ?A. `N_(2)O`B. `He`C. `Xe`D. `Kr`.

Answer» Correct Answer - D
Discussion
2.

The credit of discovery of Radon goes toA. RayleighB. CavendishC. Frankland and LockyerD. E.E. Dron.

Answer» Correct Answer - D
Discussion
3.

The formation of `O_(2)^(+)[PtF_(6)]^(-)` is the basis for the formation of xenon fluorides. This is because:A. `O_(2)` and Xe has comparable sizesB. Both `O_(2)` and Xe are gasesC. `O_(2)` and Xe have comparable ionization energiesD. `O_(2)` and Xe have comparable electronegativities.

Answer» Correct Answer - C
Discussion
4.

On exposure to light, electrical conductivity of seleniumA. DecreasesB. IncreasesC. Remains increases, then decreasesD. First increases, then decreases.

Answer» Correct Answer - B
Discussion
5.

Marsh test is forA. ArsenicB. PhosphorusC. SodiumD. Radium

Answer» Correct Answer - A
Discussion
6.

Compounds formed when the noble gases get entrapped in the cavities of crystal lattices of certain oreganic and inorganic compounds are known asA. Interstitial compoundsB. ClathratesC. HydratesD. Picrates.

Answer» Correct Answer - B
Discussion
7.

Which of the following is the strongest base ?A. `Mg(OH)_(2)`B. `NaOH`C. Ca(OH)_(2)`D. KOH.

Answer» Correct Answer - D
Discussion
8.

Which of the following salt will give a green colour in fire works?A. CalciumB. BariumC. StroniumD. Potassium.

Answer» Correct Answer - B
Discussion
9.

Carbonates of alkaline earth metals dissolve in water in the presence of `CO_(2)` becauseA. of formation of bicarbonatesB. of formation of hydroxidesC. of formation of complexD. acidic nature of `CO_(2)` and basic nature of carbonates.

Answer» Correct Answer - A
Discussion
10.

An aluminium-silica clay called bentonite is dropped from aeroplanes in the slurry form forA. Fertilizing the soilB. Spreading pesticidesC. Spreading water over firesD. Cooling the soil.

Answer» Correct Answer - C
Discussion