Physical Science Content - DSC School Assistant - Physical Science Hindi 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 Hindi (हिन्दी)

Physical Science Content - DSC School Assistant - Physical Science Hindi 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 Hindi (हिन्दी), 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 Hindi 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?
सल्फाइड अयस्कों को समृदूध करने के लिए निम्नलिखित में से किस भौतिक विधि का
उपयोग किया जाता है -
  1. Washing धुलाई
  2. Hand picking हाथ से चुनना
  3. Froth flotation झाग उत्पलावन (correct answer)
  4. Magnetic separation चुम्बकीय पृथक्करण
Answer: C
Q2. Which of the following is the suitable method to extract metals at the top of the activity series?
निम्नलिखित में से कौन सी गतिविधि धातु के निष्कर्षण के लिए उपयुक्त है
  1. Electrolysis of fused compounds योगिकों के संगलित का विद्युत अपघटन (correct answer)
  2. Heating the ore with C and CO अयस्क को C और CO के साथ गर्म करना
  3. Auto reduction of the ore अयस्क की स्वतः कमी
  4. Distillation आसवन
Answer: A
Q3. In this process, metal oxide is reduced by Aluminium
इस प्रक्रिया में धातु आक्साइड को एल्यूमिनियम द्वारा अपचयित किया जाता है ।
  1. Calcination निस्तापन
  2. Thermite ऊष्मा प्रतिक्रिया (correct answer)
  3. Roasting भूनना
  4. Liquation द्रवीकरण
Answer: B
Q4. Which of the following hybridization takes place in each carbon atom in
diamond?
OR में प्रत्येक कार्बन परमाणु A कौन-सा संकरण होता है
  1. sp
  2. sp²
  3. sp³ (correct answer)
  4. s²p²
Answer: C
Q5. Which of the following statements is true?
निम्नलिखित में कौन-सा कथन सही है
  1. Fullerenes are formed when vaporized carbon condenses in an atmosphere of an inert gas. जब वाष्पीकृत कार्बन किसी अक्रिय गैस के वातावरण में संघनित होता है तो फुलरीन का निर्माण होता है | (correct answer)
  2. Graphite is not a good conductor of electricity ग्रेफाइट विद्युत का सुचालक नहीं है |
  3. Coke is a crystalline form of carbon. कोक कार्बन का एक क्रिस्टलीय रूप है ।
  4. J.J. Berzelius produced urea in laboratory. जे.जे. बर्जिलियस प्रयोगशाला A खाद का उत्पादन करता है ।
Answer: A

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