Chemistry Quiz for Competitive Exams

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Chemistry Quiz for Competitive Exams


Q1.Who is the father of modern chemistry?
आधुनिक रसायन विज्ञान का जनक किसे कहा जाता है?
a. Antoine Lavoisier (एंटोनी लावोइसियर)
b. Jons Jacob Berzelius (जोंस जैकब बेरजेलियस)
c. John Dalton (जॉन डाल्टन)
d. Marie Curie (मेरी कुरिए)

Q2.Who is the father of Indian chemistry?
भारतीय रसायन शास्त्र का जनक किसे कहा जाता है?
a. C. N. R. Rao (सी. एन. आर. राव)
b. Yamuna Krishnan (बी यमुना कृष्णन)
c. A. V. Rama Rao (सी. ए. वी. रामाराव)
d. Acharya Prafulla Chandra Ray (डी आचार्य प्रफुल्ल चंद्र रे)

Q3.Name the instrument which is used to measure the density of a substance?
उस पदार्थ का नाम बताइए जिसका प्रयोग किसी पदार्थ के घनत्व को मापने के लिए किया जाता है?
a. Pycnometer
b. Hydrometer
c. Both a & b
d. None of the above

Q4.Point at which gases start to change in the liquid is named?
बिंदु जिस पर गैसों को तरल में बदलना शुरू हो जाता है, उसका नाम है?इसके अलावा ओस बिंदु?
a. Boiling
b. Freezing
c. Dew point
d. Condensation

Q5.What is the chemical formula of Naphthalene?
नेफ्थलीन का रासायनिक सूत्र क्या है?
a.C10H10
b. C10H12
c. C10H14
d. C10H8

Q6.Name the cooling agent in the refrigerator?
रेफ्रिजरेटर में कूलिंग एजेंट का नाम बताएं?
a. HFC-134a
b. HFC-137b
c. HFC-135a
d. HFC-134b

 

Q7.Who founded the Atomic Numbers?
रमाणु संख्याओं की स्थापना किसने की?
a. Marie Curie (मेरी कुरिए)
b. Jons Jacob Berzelius (जोंस जैकब बेरजेलियस)
c. John Dalton (जॉन डाल्टन)
d. Moseley (मोसली)

Q8.Which metal has the highest melting point?
किस धातु में सबसे अधिक गलनांक होता है?
a. Steel
b. Titanium
c. Tungsten
d. Chromium

Q9.Most dense metal is?
सर्वाधिक सघन धातु है?
a. Osmium
b. Titanium
c. Lead
d. Iron

Q10.Which is the most abundant element in the earth’s crust?
पृथ्वी की पपड़ी में सबसे प्रचुर तत्व है?
a. Aluminium
b. Silicon
c. Oxygen
d. Sodium