Physical Science Content - DSC School Assistant - Physical Science Marathi 31st Jul 2024 Shift 1 — Subject Test, Questions & Answers

Subject Test 2024 TG DSC Paper II Physical Science Content 88 questions 88 marks 83 min English and Marathi (मराठी)

Physical Science Content - DSC School Assistant - Physical Science Marathi 31st Jul 2024 Shift 1 is a subject test in the TG DSC Paper II series on TG Exams, from 2024. It has 88 multiple-choice questions for 88 marks, with a 83-minute time limit. Every question is available in English and Marathi (मराठी), with answer key and explanations. Sign up, unlock an exam pack and practise online.

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Sample questions with answers

A few questions from Physical Science Content - DSC School Assistant - Physical Science Marathi 31st Jul 2024 Shift 1. The full paper has 88 questions with detailed explanations after you sign in.

Q1. Which of the following physical method is used to enrich Sulphide ores?
सल्फाईड धातुकांच्या समृद्धीकरणासाठी खालीलपैकी कोणत्या भौतिक पद्धतीचा वापर केला
जातो?
  1. Washing ar
  2. Hand picking हाताने निवडणे
  3. Froth flotation फेन प्लवन (correct answer)
  4. Magnetic separation चुंबकीय पृथक्रूरण
Answer: C
Q2. Which of the following is the suitable method to extract metals at the top of the
activity series?
क्रियाशीलता श्रेणीच्या शीर्षस्थानी असलेल्या धातूंचे निष्कर्षण करण्यासाठी खालीलपैकी कोणती
पद्धत योग्य आहे?
  1. Electrolysis of fused compounds वितळलेल्या संयुगांचे विद्युत अपघटन (correct answer)
  2. Heating the ore with C and CO C आणि CO ag धातुकाचे तापन
  3. Auto reduction of the ore धातुकाचे स्वयंचलित क्षपण
  4. Distillation ऊर्ध्वपातन
Answer: A
Q3. In this process, metal oxide is reduced by Aluminium
या प्रक्रियेत, धातू ऑक्साईडचे अँल्युमिनियमद्वारे क्षपण केले जाते
  1. Caleination निस्तापन (कँलसिनेशन)
  2. Thermite थर्माइट (correct answer)
  3. Roasting att
  4. Liquation द्रवीकरण
Answer: B
Q4. Which of the following hybridization takes place in each carbon atom in diamond?
खालीलपैकी कोणते संकरण हिऱ्यातील प्रत्येक कार्बन अणूमध्ये होते?
  1. sp
  2. sp²
  3. sp³ (correct answer)
  4. s²p²
Answer: C
Q5. Which of the following statements is true?
खालीलपैकी कोणते विधान सत्य आहे?
  1. Fullerenes are formed when vaporized carbon condenses in an atmosphere of an inert gas. निष्क्रिय वायूच्या वातावरणात बाष्पीभवन झालेला कार्बन घनीभूत झाल्यावर फुलरेन्स तयार होतात. (correct answer)
  2. Graphite is not a good conductor of electricity. ग्रॅफाइट हा विजेचा सुवाहक नाही.
  3. Coke is a crystalline form of carbon. कोक हे कार्बनचे स्फटिकरूप आहे.
  4. J.J. Berzelius produced urea in laboratory. जे.जे. बर्झेलियस यांनी प्रयोगशाळेत युरिया तयार केला.
Answer: A

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