RRB JE Stage-II Chemistry Quiz : 17th July_00.1
Latest SSC jobs   »   RRB JE Stage-II Chemistry Quiz :...

RRB JE Stage-II Chemistry Quiz : 17th July

Q1. Which one of the following petroleum refinery products has the lowest boiling point?

निम्नलिखित में से कौन सा पेट्रोलियम रिफाइनरी उत्पाद का क्वथनांक सबसे कम है?

(a) Kerosene / मिट्टी का तेल

(b) Diesel / डीज़ल

(c) Gasoline / पेट्रोल

(d) Lubricating oil / ग्रीस

RRB JE Stage-II Chemistry Quiz : 17th July_50.1

Q2. Which one of the following is used as a mordant in dyeing and tanning industry?

निम्नलिखित में से क्या डाइंग और टैनिंग उद्योग में एक मोर्डंत के रूप में उपयोग किया जाता है?

(a) Magnesium oxide /मैग्नीशियम ऑक्साइड

(b) Magnesium carbonate / मैग्नीशियम कार्बोनेट

(c) Magnesium chloride / मैग्नीशियम क्लोराइड

(d) Magnesium sulphate / मैग्नीशियम सलफेट

S2. Ans.(d)
Sol. Magnesium sulphate (MgSO_4) is used as a mordant in dyeing and tanning industry.

Q3. Match List I with List-II and select the correct answer using the codes given below the Lists.

सूची I को सूची II के साथ मिलाएं और सूचियों में दिए गए कोड का उपयोग करके सही उत्तर चुनें।

RRB JE Stage-II Chemistry Quiz : 17th July_60.1

Codes:/ कोड

      A    B          C          D

(a) 1    2          3          4

(b) 4    2          3          1

(c) 1    3          2          4

(d) 4    3          2          1

RRB JE Stage-II Chemistry Quiz : 17th July_70.1

Q4. The light emitted by firefly is due to

जुगनू द्वारा उत्सर्जित प्रकाश किस के कारण होता है?

(a) a radioactive substance / एक रेडियोधर्मी पदार्थ

(b) chemiluminescence process / केमाइलिनेसिंस प्रक्रिया

(c) a photoelectric process / फोटोइलेक्ट्रिक प्रक्रिया

(d) burning of phosphorus / फॉस्फोरस के जलने

S4. Ans.(b)
Sol. Light production in fireflies is due to a type of chemical reaction called bioluminescence. This process occurs in specialized light-emitting organs, usually on a firefly’s lower abdomen. The enzyme luciferase acts on the luciferin, in the presence of magnesium ions, ATP, and oxygen to produce light.

Q5. Which one of the following polymeric materials is used for making bullet proof jacket?

बुलेट प्रूफ जैकेट बनाने के लिए निम्नलिखित में से किस पॉलिमरिक सामग्री का उपयोग किया जाता है?

(a) Nylon-6, 6 / नायलॉन- 6, 6

(b) Rayon / रेयान

(c) Kevlar / केवलर

(d) Dacron / डेक्रॉन

S5. Ans.(c)
Sol. Kevlar, a polymeric material is used for making bullet proof jacket.

Q6. The coil in a heater is made of

हीटर में कॉइल किस से बना होता है?

(a) nichrome / निक्रोम

(b) tungsten / टंगस्टन

(c) copper / तांबा

(d) iron / लोहा

S6. Ans.(a)
Sol. The coil in a heater is made up of nichrome because its melting point and resistivity are high.

Q7. Which among the following elements is abundant on the lunar surf ace and holds the potential to put an end to the energy crisis of the earth?

निम्नलिखित में से कौन सा तत्व चंद्र सतह पर प्रचुर मात्रा में है और पृथ्वी के ऊर्जा संकट को समाप्त करने की क्षमता रखता है?

(a) Helium-I /हीलियम-I

(b) Helium-II / हीलियम-II

(c) Helium-III/ हीलियम-III

(d) Helium-IV / हीलियम-IV

S7. Ans.(c)
Sol. Helium-III is abundant on the lunar surface and holds the potential to put an end to the energy crisis of the Earth.

Q8. If a limestone piece is dipped in water, a bubble evolves. The bubbling is due to

यदि एक चूना पत्थर का टुकड़ा पानी में डूबाया जाता है, तो बुलबुले विकसित होते है। बुलबुले किस के कारण बनते है?

(a) hydrogen /हाइड्रोजन

(b) oxygen /ऑक्सीजन

(c) water vapour/जल वाष्प

(d) carbon dioxide/ कार्बन डाइऑक्साइड

RRB JE Stage-II Chemistry Quiz : 17th July_80.1

Q9. Which one of the following chemicals is commonly used by farmers to destroy weeds?

निम्नलिखित में से कौन सा रसायन आमतौर पर किसानों द्वारा जंगली घास को नष्ट करने के लिए उपयोग किया जाता है?

(a) DDT

(b) Malathion / मेलाथियान

(c) Methyl bromide / मिथाइल ब्रोमाइड

(d) 2, 4-D

S9. Ans.(d)
Sol. 2, 4-D (2, 4-dichloro phenoxy acetic acid) is used to destroy weeds.

Q10. Some statements about the benefits of organic farming are given below. Indicate whether they are true or false using the codes given below the statements:

जैविक खेती के लाभों के बारे में कुछ कथन नीचे दिए गए हैं। नीचे दिए गए कोड का उपयोग करके बताएं कि वे कथन सही या गलत हैं:

  1. It reduces CO2 emission. / यह CO2 उत्सर्जन को कम करता है
  2. It does not lead to toxic effect. / इससे विषाक्त प्रभाव नहीं होता है
  3. It improves the water-retention capacity of the soil. / यह मिट्टी की जल-धारण क्षमता में सुधार करता है

RRB JE Stage-II Chemistry Quiz : 17th July_90.1

S10. Ans.(c)
Sol. Organic farming is the of agriculture that relies on crop rotation, green manure, compost, biological pest control and mechanical cultivation to maintain soil productivity and control pests. It does not reduce CO_2 emission. It does not lead to toxic effect. It improves the water-retention capacity of the soil.

Sharing is caring!

June Current Affairs PDF

×

Download success!

Thanks for downloading the guide. For similar guides, free study material, quizzes, videos and job alerts you can download the Adda247 app from play store.

Thank You, Your details have been submitted we will get back to you.

Was this page helpful?

Leave a comment

Your email address will not be published. Required fields are marked *

Join India's largest learning destination

What You Will get ?

  • Job Alerts
  • Daily Quizzes
  • Subject-Wise Quizzes
  • Current Affairs
  • Previous year question papers
  • Doubt Solving session

Login

OR

Forgot Password?

Join India's largest learning destination

What You Will get ?

  • Job Alerts
  • Daily Quizzes
  • Subject-Wise Quizzes
  • Current Affairs
  • Previous year question papers
  • Doubt Solving session

Sign Up

OR
Join India's largest learning destination

What You Will get ?

  • Job Alerts
  • Daily Quizzes
  • Subject-Wise Quizzes
  • Current Affairs
  • Previous year question papers
  • Doubt Solving session

Forgot Password

Enter the email address associated with your account, and we'll email you an OTP to verify it's you.


Join India's largest learning destination

What You Will get ?

  • Job Alerts
  • Daily Quizzes
  • Subject-Wise Quizzes
  • Current Affairs
  • Previous year question papers
  • Doubt Solving session

Enter OTP

Please enter the OTP sent to
/6


Did not recive OTP?

Resend in 60s

Join India's largest learning destination

What You Will get ?

  • Job Alerts
  • Daily Quizzes
  • Subject-Wise Quizzes
  • Current Affairs
  • Previous year question papers
  • Doubt Solving session

Change Password



Join India's largest learning destination

What You Will get ?

  • Job Alerts
  • Daily Quizzes
  • Subject-Wise Quizzes
  • Current Affairs
  • Previous year question papers
  • Doubt Solving session

Almost there

Please enter your phone no. to proceed
+91

Join India's largest learning destination

What You Will get ?

  • Job Alerts
  • Daily Quizzes
  • Subject-Wise Quizzes
  • Current Affairs
  • Previous year question papers
  • Doubt Solving session

Enter OTP

Please enter the OTP sent to Edit Number


Did not recive OTP?

Resend 60

By skipping this step you will not recieve any free content avalaible on adda247, also you will miss onto notification and job alerts

Are you sure you want to skip this step?

By skipping this step you will not recieve any free content avalaible on adda247, also you will miss onto notification and job alerts

Are you sure you want to skip this step?