Explore topic-wise InterviewSolutions in General Knowledge.

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

1.

The wavelength of X-rays is of the order of

Answer» 1 angstrom = 1.0 x 10-10 meters
2.

Washing soda is the common name for

Answer» What is the scientific name for washing soda? Sodium carbonate (also known as washing soda or soda ash), Na2CO3 is a sodium salt of carbonic acid. Scientific name for baking soda? Sodium bicarbonate or sodium hydrogen carbonate is the chemical compound with the formula NaHCO3. Sodium bicarbonate is a white solid that is crystalline but often appears as a fine powder. Since it has long been known and is widely used, the salt has many related names such as baking soda, bread soda, cooking soda, and bicarbonate of soda.
3.

Which of the gas is not known as green house gas?

Answer» In order, the most abundant greenhouse gases in Earth's atmosphere are: * water vapor * carbon dioxide * methane * nitrous oxide * ozone * chlorofluorocarbons
4.

The gas usually filled in the electric bulb is

Answer» <html><body><p> Nitrogen</p><br/><br/><p>Nitrogen.</p></body></html>
5.

In vulcanisation, natural rubber is heated with

Answer» <html><body><p> Sulphur</p><br/><br/><p>Sulphur.</p></body></html>
6.

Decibel is the unit used for:

Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/intensity-1047474" style="font-weight:bold;" target="_blank" title="Click to know more about INTENSITY">INTENSITY</a> of <a href="https://interviewquestions.tuteehub.com/tag/sound-648690" style="font-weight:bold;" target="_blank" title="Click to know more about SOUND">SOUND</a></p><br/><br/><p>Intensity of sound.</p></body></html>
7.

The main constituents of pearls are

Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/calcium-412119" style="font-weight:bold;" target="_blank" title="Click to know more about CALCIUM">CALCIUM</a> <a href="https://interviewquestions.tuteehub.com/tag/carbonate-909380" style="font-weight:bold;" target="_blank" title="Click to know more about CARBONATE">CARBONATE</a> and <a href="https://interviewquestions.tuteehub.com/tag/magnesium-1082716" style="font-weight:bold;" target="_blank" title="Click to know more about MAGNESIUM">MAGNESIUM</a> Carbonate</p><br/><br/><p>Calcium Carbonate and Magnesium Carbonate.</p></body></html>
8.

'Bar' is the unit of

Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/atmospheric-887165" style="font-weight:bold;" target="_blank" title="Click to know more about ATMOSPHERIC">ATMOSPHERIC</a> <a href="https://interviewquestions.tuteehub.com/tag/pressure-1164240" style="font-weight:bold;" target="_blank" title="Click to know more about PRESSURE">PRESSURE</a></p><br/><br/><p>Atmospheric pressure.</p></body></html>
9.

The type of glass used in making lenses and prisms is

Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/flint-992810" style="font-weight:bold;" target="_blank" title="Click to know more about FLINT">FLINT</a> <a href="https://interviewquestions.tuteehub.com/tag/glass-14164" style="font-weight:bold;" target="_blank" title="Click to know more about GLASS">GLASS</a></p><br/><br/><p>Flint glass.</p></body></html>
10.

Gypsum is added to cement clinker to

Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/decrease-946104" style="font-weight:bold;" target="_blank" title="Click to know more about DECREASE">DECREASE</a> the <a href="https://interviewquestions.tuteehub.com/tag/rate-1177476" style="font-weight:bold;" target="_blank" title="Click to know more about RATE">RATE</a> of <a href="https://interviewquestions.tuteehub.com/tag/setting-640474" style="font-weight:bold;" target="_blank" title="Click to know more about SETTING">SETTING</a> of <a href="https://interviewquestions.tuteehub.com/tag/cement-414637" style="font-weight:bold;" target="_blank" title="Click to know more about CEMENT">CEMENT</a></p><br/><br/><p>Decrease the rate of setting of cement.</p></body></html>
11.

Glass is made of the mixture of:

Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/sand-1194769" style="font-weight:bold;" target="_blank" title="Click to know more about SAND">SAND</a> and <a href="https://interviewquestions.tuteehub.com/tag/silicates-1207638" style="font-weight:bold;" target="_blank" title="Click to know more about SILICATES">SILICATES</a></p><br/><br/><p>Sand and silicates.</p></body></html>
12.

Which of the following is not an isotope of hydrogen?

Answer» <html><body><p> Yttrium</p><br/><br/><p>Yttrium.</p></body></html>
13.

Which of the following metals remain in liquid for under normal conditions?

Answer» <html><body><p> Mercury</p><br/><br/><p>Mercury.</p></body></html>