Daily Prelims Quiz 11 Sept 2021
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- Question 1 of 5
1. Question
2 pointsCategory: Science & Technology‘Yellow cake’, an item of smuggling across border is
CorrectYellow cakes generally denotes various compounds of uranium like uranium oxides.
IncorrectYellow cakes generally denotes various compounds of uranium like uranium oxides.
- Question 2 of 5
2. Question
2 pointsCategory: Science & TechnologyBarium in a suitable form is administered to patients before an X-ray examination of the stomach, because
CorrectThe gut (gastrointestinal tract) does not show up very well on ordinary. However, if you drink a white liquid that contains a chemical called barium sulphate, the outline of the upper parts of the gut shows up clearly on X-ray pictures because barium absorbs X-rays.
IncorrectThe gut (gastrointestinal tract) does not show up very well on ordinary. However, if you drink a white liquid that contains a chemical called barium sulphate, the outline of the upper parts of the gut shows up clearly on X-ray pictures because barium absorbs X-rays.
- Question 3 of 5
3. Question
2 pointsCategory: Science & TechnologyRegarding the atom of a chemical element, the magnetic quantum number refers to
CorrectIt represents the number of orbitals present in the sub-shell.
IncorrectIt represents the number of orbitals present in the sub-shell.
- Question 4 of 5
4. Question
2 pointsCategory: Science & TechnologyAluminium surface are often ‘anodized’. This means the deposition of a layer of
CorrectAnodizing is an electrolytic passivation process used to increase the thickness of the natural oxide layer on the surface of metal parts. The process is called anodizing because the part to be treated forms the anode electrode of an electrolytic cell. Anodizing increases resistance to corrosion and wear. The anodized aluminium layer is grown by passing a direct current through an electrolytic solution, with the aluminium object serving as the anode. The current releases hydrogen at the cathode (the negative electrode) and oxygen at the surface of the aluminium anode, creating a build-up of aluminium oxide.
IncorrectAnodizing is an electrolytic passivation process used to increase the thickness of the natural oxide layer on the surface of metal parts. The process is called anodizing because the part to be treated forms the anode electrode of an electrolytic cell. Anodizing increases resistance to corrosion and wear. The anodized aluminium layer is grown by passing a direct current through an electrolytic solution, with the aluminium object serving as the anode. The current releases hydrogen at the cathode (the negative electrode) and oxygen at the surface of the aluminium anode, creating a build-up of aluminium oxide.
- Question 5 of 5
5. Question
2 pointsCategory: Science & TechnologyThe characteristic odor of garlic is due to
CorrectAllicin is an oily, yellow liquid, which gives garlic its characteristic odor which is due to R-S(O)-S-R group.
IncorrectAllicin is an oily, yellow liquid, which gives garlic its characteristic odor which is due to R-S(O)-S-R group.
