General Science Practice Question and Answer
8 Q: Give an example of a slat which gives an aqueous solution of pH less than 7.
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5dbc40cbfd407073a095aef5- 1Sodium chloridefalse
- 2Ammonium chloridetrue
- 3Sodium carbonatefalse
- 4Sodium bicarbonatefalse
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Answer : 2. "Ammonium chloride"
Q: Which sign should be interchanged if the equation below needs to be true?
1.5 + 8 × 9 – 16 + 2 = 4
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5e7c34327af3db16e180c4771.5 + 8 × 9 – 16 + 2 = 4
- 1× and –false
- 2÷ and –true
- 3+ and ÷false
- 4÷ and +false
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Answer : 2. "÷ and –"
Q: Which statement is correct in the following?
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60fe385481fb4616a65632b4- 1All metals are tensile.false
- 2All non-metals are tensile.false
- 3Generally metals are tensile.true
- 4Some non-metals are tensile.false
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Answer : 3. "Generally metals are tensile."
Q: Which of the following disease is caused by female Anopheles mosquito?
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5ec721fe9d324637e76c0754- 1Chicken Poxfalse
- 2Malariafalse
- 3Black Feverfalse
- 4Choleratrue
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Answer : 4. "Cholera "
Q: Is the main component of bio-gas?
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5e575d29f07ca775556a8eee- 1Methanetrue
- 2Ethanfalse
- 3Propanefalse
- 4Butanefalse
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Answer : 1. "Methane "
Q: Which gas comes out when a metal reacts with water?
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5db2b1dafd5a324b383a4420- 1Oxygenfalse
- 2Nitrogenfalse
- 3Chlorinefalse
- 4Hydrogentrue
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Answer : 4. "Hydrogen"
Q: How is 'Power' interpreted?
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5db2b0f04c6b184b527d4508- 1Work done in energy transferfalse
- 2Working rate or energy transfer ratetrue
- 3Work done in a minutefalse
- 4Superimposed forcefalse
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Answer : 2. "Working rate or energy transfer rate"
Q: Which of the following is an epidemic and endemic disease?
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6073f63d63b9781494d82893- 1poliofalse
- 2measlesfalse
- 3Typhoidfalse
- 4Choleratrue
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Answer : 4. "Cholera"
Explanation :
Cholera, caused by the bacterium Vibrio cholerae, can be both epidemic and endemic. Epidemic cholera refers to sudden outbreaks affecting large populations, often due to contaminated water. Endemic cholera signifies the continuous, stable presence of the disease in specific regions, indicating a persistent, albeit lower, level of infection over time.