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Chemistry (Civil Service Examination), Questions and Answers, GK for UPSC, Bank PO & All Exams


1. With reference to ionic compounds, consider the following statements: [2003]
1. Ionic compounds are insoluble in alcohol.
2. Ionic compounds in the solid state are good conductor of electricity.
Which of these statements is/are correct?


2. The most reactive among the halogens is [1997]


3. Which one of the following materials is very hard and very ductile? [2000]


4. Match List-I (Oxidation number) with List II (The element) and select the correct answer using the codes given below the lists: [2002]
List-I - List-II
(Oxidation number) - (The elements)
A. 2 - 1. Oxidation number of Mn in MnO2
B. 3 - 2. Oxidation number of S in H2S2O7
C. 4 - 3. Oxidation number of Ca in CaO
D. 6 - 4. Oxidation number of Al in NaAIH4 Codes:


5. Regarding the atom of a chemical element, the magnetic quantum number refers to [2003]



6. Consider the following statements with reference to the periodic table of chemical elements: [2001]
1. Ionisation potential gradually decreases along a period
2. In a group of elements, electron affinity decreases as the atomic weight increases
3. In a given period, electronegativity decreases as the atomic number increases
Which of these statement (s) is/are correct?


7. a dry cell (battery), which of the following are used as electrolytes? [2009]


8. Consider the following statements: [1998]
Coke is one of the materials of the charge added to blast furnace for the production of steel/iron. Its function is to
1. act as the reducing agent
2. remove silica associated with the iron ore
3. function as fuel; to supply heat
4. act as an oxidizing agent Of these statements


9. Which one of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shaver etc? [1995]


10. The difference between a nuclear reactor and an atomic bomb is that [1995]


General Knowledge

1. World Geography -Test-01
2. World Geography -Test-02
3. World Geography -Test-03
4. Geography of India -Test-01
5. Geography of India -Test-02
6. Geography of India -Test-03
7. Geography of India -Test-04
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14. History of India - Test - 06
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20. INM-Test-05
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  • Ayurvedic Medicine

    Pit Shirisha

    Shirish (H), Siris (H):

    The bark of this tree is renowned for strengthening the lungs and clearing mucus accumulations from the lymph and lungs. It is a potent antiallergenic herb.

    Lungs Its affinity for pranavahasrotas benefits asthma of the vata–kapha variety—a wet, damp cough with wheezing, worse in the morning and evening. Its ´sirovirecana action helps in reducing allergic reactions in the head such as allergic rhinitis, hayfever and asthma in atopic individuals. Human clinical trials attest to its efficacy in early-onset asthma. Skin Its antiallergic, anti-inflammatory and pitta-reducing effect is beneficial in atopic and allergic conditions; eczema, urticaria, dermatitis. This is by virtue of its affinity for rasa and rakta dhatu. It is a specific for itching and suppurating inflammations. Lymph It helps to reduce swellings in the lymphatic system and clears kapha from the plasma tissue.


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