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Q201. Oleum is_
- Anitric acid
- Bacetic acid
- CCitric acid
- Dfumed sulfuric acid
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Answer: D) fumed sulfuric acid
Q202. The method of industrial production of sulphuric acid is—
- Alead chamber method
- Bcontact method
- Cboth of the above
- Dnone of these
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Answer: C) both of the above
Q203. Which of the following acids is used in car batteries?
- Aacetic acid
- Bhydrochloric acid
- Csulfuric acid
- Dnitric acid
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Answer: C) sulfuric acid
Q204. Which of the following 'mineral acids' was discovered first?
- Asulfuric acid
- Bhydrochloric acid
- Cnitric acid
- Dphosphoric acid
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Answer: A) sulfuric acid
Q205. What happens when a lead storage battery is charged?
- ASO² is formed
- BLead sulphate is consumed.
- CLead is formed
- DSulfuric acid is consumed.
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Answer: D) Sulfuric acid is consumed.
Q206. Which acid is considered a 'basic chemical' in the chemical industry?
- AH²CO³
- BHNO³
- CH²SO⁴
- DHCL
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Answer: C) H²SO⁴
Q207. The reaction of dilute sulphuric acid with zinc results in the formation of ______.
- Ahydrogen
- Bsulfur dioxide
- Csulfur trioxide
- Dhydrogen sulfide
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Answer: A) hydrogen
Q208. Which of the following is present in maximum quantity in acid rain?
- AHNO³
- BHC1
- CH²S0⁴
- DH²CO³
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Answer: C) H²S0⁴
Q209. Which gas emitted from power stations causes acid rain?
- Ahelium
- Bcarbon dioxide
- CNitrogen
- Dsulfur dioxide
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Answer: D) sulfur dioxide
Q210. Carbon or graphite rods are used as moderators in nuclear reactors to sustain nuclear chain reactions through nuclear fission. In this process ____
- ANeutrons are produced quickly
- BProtons are formed quickly
- CNeutrons are produced slowly
- DProtons are formed slowly.
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Answer: C) Neutrons are produced slowly
Q211. Sugar is scorched when concentrated sulfuric acid is poured on it. In this process, the sugar
- AOxidation occurs.
- Bdegradation takes place
- CDehydration occurs.
- DSulfonation takes place.
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Answer: C) Dehydration occurs.
Q212. Caro's acid is known as_
- AH²SO⁵
- BH ²SO⁴
- CH²S²O⁷
- DH²S²O⁸
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Answer: A) H²SO⁵
Q213. Marshall's acid is known as_
- AH ²SO³
- BH²S²O⁷
- CH²S² O⁸
- DH²SO⁴
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Answer: C) H²S² O⁸
Q214. Which halogen element combines with xenon to form maximum compounds?
- AFluorine
- Bchlorine
- Cmorphine
- Dbromine
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Answer: A) Fluorine
Q215. The halogen found in Teflon is—
- Achlorine
- BFluorine
- Cbromine
- DIodine
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Answer: B) Fluorine
Q216. Which of the following is not a member of the halogen family?
- AFluorine
- Bchlorine
- Cmorphine
- Dbromine
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Answer: C) morphine
Q217. The most reactive among the halogens is ____
- AFluorine
- Bchlorine
- Cbromine
- DIodine
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Answer: A) Fluorine
Q218. Which of the following elements has the highest electronegativity?
- AIodine
- Bbromine
- CFluorine
- Dchlorine
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Answer: C) Fluorine
Q219. Which of the following elements has the highest tendency to attract electrons?
- AIron
- BSulphur
- CFluorine
- DBoron
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Answer: C) Fluorine
Q220. Which of the following gases is used as tear gas?
- AH²
- BSO²
- CN²
- DCl²
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Answer: D) Cl²
Q221. Which of the following gases is coloured?
- Aoxygen
- Bchlorine
- Chydrogen
- Dnitrogen
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Answer: B) chlorine
Q222. What is the most commonly used bleaching agent?
- Aalcohol
- Bchlorine
- Csodium chloride
- Dcarbon dioxide
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Answer: B) chlorine
Q223. Which halogen member is used as a disinfectant?
- AFluorine
- Bchlorine
- Cbromine
- DIodine
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Answer: B) chlorine
Q224. The non-metal found in liquid state is-
- Abromine
- Bnitrogen
- CFluorine
- Dchlorine
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Answer: A) bromine
Q225. Which of the following is not a good conductor of electricity?
- Agraphite
- Bbromine
- Ccopper
- Dsilver
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Answer: B) bromine