IIT JEE Practice Question and Answer
8Q: Which of the following is a Decomposition Reaction? 1732 05b5cc6a9e4d2b4197774ceca
5b5cc6a9e4d2b4197774ceca- 12HgO ----> 2Hg + O2false
- 26NaNO3 ----> 6NaNO2 + 3O2false
- 3ZnCO3 ----> ZnO + CO2false
- 4All the abovetrue
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Answer : 4. "All the above"
Explanation :
Answer: D) All the above Explanation: All the given reactions are Decomposition reactions. Decomposition reaction is a reaction in which only one reactant is splitted into two or more products.
Q: Lipids are insoluble in water because lipids are 1286 05b5cc6a9e4d2b4197774cecf
5b5cc6a9e4d2b4197774cecf- 1Hydrophobictrue
- 2Zwitter ionsfalse
- 3Hydrophylicfalse
- 4Neutralfalse
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Answer : 1. "Hydrophobic"
Explanation :
Answer: A) Hydrophobic Explanation: Lipids are soluble in solvents of low polarity, which simply means that lipids are soluble in nonpolar solvents. This solubility property is a result of the large nonpolar regions that are indicative of the lipid molecule.
Q: What gets wetter and wetter the more it dries? 2026 05b5cc6a8e4d2b4197774cec0
5b5cc6a8e4d2b4197774cec0- 1Soapfalse
- 2Toweltrue
- 3Clothesfalse
- 4Spongefalse
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Answer : 2. "Towel"
Explanation :
Answer: B) Towel Explanation: Towel gets wetter and wetter the more it dries because we use that towel which is dried after used.
Q: Which of the following is NOT a constitutional body? 2190 05b5cc6a8e4d2b4197774ceb6
5b5cc6a8e4d2b4197774ceb6- 1National Advisory Counciltrue
- 2Law Commissionfalse
- 3Election Commissionfalse
- 4Finance Commissionfalse
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Answer : 1. "National Advisory Council"
Explanation :
Answer: A) National Advisory Council Explanation: National Advisory Council is NOT a constitutional body. The National Advisory Council (NAC) of India was an advisory body set up by the first United Progressive Alliance (UPA) government to advise the Prime Minister of India.
Q: Patents, Copyrights and Trademarks are examples of 1423 05b5cc6a8e4d2b4197774cebb
5b5cc6a8e4d2b4197774cebb- 1Short-term investmentsfalse
- 2Fixed assetsfalse
- 3Long-term investmentsfalse
- 4Intangible assetstrue
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Answer : 4. "Intangible assets"
Explanation :
Answer: D) Intangible assets Explanation: Intangible asset that consists of original creative work manifested in a tangible form that can be legally protected. Intellectual property consists of copyrights, patents, trade-marks and trade secrets. Examples include literary or artistic works, business methods and industrial processes.
Q: What is the name of the World's smallest republic which has an area of 21 sq.km.? 1779 05b5cc6a8e4d2b4197774ceb1
5b5cc6a8e4d2b4197774ceb1- 1Palermofalse
- 2Naurutrue
- 3Vatican Cityfalse
- 4Namurfalse
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Answer : 2. "Nauru"
Explanation :
Answer: B) Nauru Explanation:
Q: Find the Odd One Out? 3 24 186 1008 5040 20160 2157 05b5cc6a8e4d2b4197774ceac
5b5cc6a8e4d2b4197774ceac- 124false
- 220160false
- 3186true
- 45040false
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Answer : 3. "186"
Explanation :
Answer: C) 186 Explanation: The given number series is 3 24 186 1008 5040 20160 Here the given series follows a pattern that, 3 3 x 8 = 24 24 x 7 = 168 not 186 168 x 6 = 1008 1008 x 5 = 5040 5040 x 4 = 20160 Hence the Odd One in the number series is 186.
Q: Study of Rocks is called 1765 05b5cc6a8e4d2b4197774cea7
5b5cc6a8e4d2b4197774cea7- 1Geologyfalse
- 2Cytologyfalse
- 3Petrologytrue
- 4Petologyfalse
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Answer : 3. "Petrology"
Explanation :
Answer: C) Petrology Explanation: The scientific study of rocks is called petrology, which is an essential component of geology.

