RRB Group D Exam 2022 Science Quiz Test

अणु शब्द किसने प्रतिपादित किया? (Who propounded the word ‘molecule’?) (a) जॉन डॉल्टन(John Dalton) (b) डेमोक्रिटस (democritus) (c) ई. रदरफोर्ड (E. Rutherford) (d) जे.जे. थॉमसन (J.J. Thomson) Ans:- (b)

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निम्नलिखित में से कौन सा एक तत्व नहीं है? (Which one of the following is not an element?) (a) हिलियम (helium) (b) कॉपर (copper) (c) ऑक्सीजन (oxygen) (d) पानी (water) Ans:- (d)

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निम्नलिखित में से किसके अणुओं के बीच आकर्षण बल अधिकतम होता है? (Which of the following molecules has maximum attraction force?) (a) द्रव्य (fluid) (b) गैस (gas) (c) प्लाज्मा (plasma) (d) ठोस (solid) Ans:- (d)

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निम्नलिखित में से सबसे छोटा कण है? (Which of the following is the smallest particle?) (a) परमाणु (atom) (b) प्रोटॉन (proton) (c) न्यूट्रॉन (neutron) (d) अणु (molecules) Ans:- (b)

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कार्बनिक यौगिक का सबसे सरल सदस्य है ? (The simplest member of organic compounds is.) (a) मेथेनॉल (methanol) (b) मीथेन (methane) (c)फॉर्मल्डेहाइट (formaldehyde) (d) फार्मिक एसिड (formic acid) Ans:- (b)

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कार्बन परमाणुओं वाले अल्केन में कितने हाइड्रोजन परमाणु होंगे? (An alkane with 6 carbon atoms will have how many hydrogen atoms?) (a) 11 (b) 12 (c) 13 (d) 14 Ans:- (d)

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आवर्त सारणी में पहला तत्व कौन सा है? (which is the first element in the periodic table?) (a) नीयन (neon) (b) हाइड्रोजन (hydrogen) (c) ऑक्सीजन (oxygen) (d) हिलियम (helium) Ans:- (b)

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रेल्वे भर्ती परीक्षा 2022 Quiz Test

रेल्वे भर्ती परीक्षा 2022 Quiz Test

निम्नलिखित में से कौन सा एक तत्व नहीं है? (Which one of the following is not an element?) (a) हिलियम (helium) (b) कॉपर (copper) (c) ऑक्सीजन (oxygen) (d) पानी (water) Ans:- (d)

रेल्वे भर्ती परीक्षा 2022 Quiz Test

रेल्वे भर्ती परीक्षा 2022 Quiz Test

रेल्वे भर्ती परीक्षा 2022 Quiz Test

रेल्वे भर्ती परीक्षा 2022 Quiz Test

निम्नलिखित में से सबसे छोटा कण है? (Which of the following is the smallest particle?) (a) परमाणु (atom) (b) प्रोटॉन (proton) (c) न्यूट्रॉन (neutron) (d) अणु (molecules) Ans:- (b)

रेल्वे भर्ती परीक्षा 2022 Quiz Test

रेल्वे भर्ती परीक्षा 2022 Quiz Test

रेल्वे भर्ती परीक्षा 2022 Quiz Test

रेल्वे भर्ती परीक्षा 2022 Quiz Test

कार्बन परमाणुओं वाले अल्केन में कितने हाइड्रोजन परमाणु होंगे? (An alkane with 6 carbon atoms will have how many hydrogen atoms?) (a) 11 (b) 12 (c) 13 (d) 14 Ans:- (d)

रेल्वे भर्ती परीक्षा 2022 Quiz Test

रेल्वे भर्ती परीक्षा 2022 Quiz Test

आवर्त सारणी में पहला तत्व कौन सा है? (which is the first element in the periodic table?) (a) नीयन (neon) (b) हाइड्रोजन (hydrogen) (c) ऑक्सीजन (oxygen) (d) हिलियम (helium) Ans:- (b)

रेल्वे भर्ती परीक्षा 2022 Quiz Test

रेल्वे भर्ती परीक्षा 2022 Quiz Test

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