Science Quiz- by www.ssbcoaching.com ( NDA- AFCAT Preparation Academy)

-

ssb - sainik- rimc- afcat- ta- acc entranace exam coaching academy
094437 20076
www.ssbcoaching.com



Science Quiz



1. Which of the following is the lightest metal ?
(A) Mercury
(B) Silver
(C) Lithium
(D) Lead

2. The most important ore of Aluminium is —
(A) Bauxite
(B) Calamine
(C) Calcite
(D) Galena

3. The element present in the largest amount in rocks and minerals is —
(A) Carbon
(B) Silicon
(C) Hydrogen
(D) Aluminium

4. An alloy used in making heating elements for electric heating devices is —
(A) Solder
(B) Alloysteel
(C) Nichrome
(D) German Silver

5. German Silver is an alloy of —
(A) Copper, Silver & Nickel
(B) Silver, Copper & Aluminium
(C) Zinc, Copper & Nickel
(D) Silver, Zinc & Nickel

6. Air is a/an —
(A) Compound
(B) Element
(C) Mixture
(D) Electrolyte

7. Which of the following is the best conductor of Electricity ?
(A) Ordinary water
(B) Sea water
(C) Boiled water
(D) Distilled water

8. Balloons are filled with —
(A) Helium
(B) Oxygen
(C) Nitrogen
(D) Argon

9. The charcoal used to decolourise raw sugar is —
(A) Animal charcoal
(B) Sugar charcoal
(C) Cocoanut charcoal
(D) Wood charcoal

10. The most abundant metal in the earth’s crust is —
(A) Zinc
(B) Copper
(C) Aluminium
(D) Iron

11. The gas used to extinguish fire is —
(A) Neon
(B) Nitrogen
(C) Carbon dioxide
(D) Carbon Monoxide

12. In which of the following activities Silicon Carbide is used ?
(A) Making cement and glass
(B) Disinfecting water and ponds
(C) Making castes for statues
(D) Cutting very hard substances

13. The element common to all acids is —
(A) Oxygen
(B) Hydrogen
(C) Nitrogen
(D) Sulphur

14. Gobar gas contains mainly —
(A) Methane
(B) Carbon dioxide
(C) Butane
(D) Carbon Monoxide

15. The most malleable metal is —
(A) Silver
(B) Gold
(C) Aluminium
(D) Sodium

16. Tetraethyl lead is used as —
(A) Mosquito repellent
(B) Pain Killer
(C) Fire extinguisher
(D) Petrol additive

17. Which of the following is used in beauty parlours for hair setting ?
(A) Phosphorus
(B) Sulphur
(C) Chlorine
(D) Silicon

18. Which of the following is a non-metal that remains liquid in room temperature ?
(A) Bromine
(B) Chlorine
(C) Helium
(D) Phosphorus

19. From which mineral is radium obtained —
(A) Limestone
(B) Haematitie
(C) Pitchblende
(D) Rutile

20. What is laughing gas ?
(A) Carbon dioxide
(B) Sulphur dioxide
(C) Nitrogen Dioxide
(D) Nitrous oxide

21. Which of the following is used as a material for making protective windows in space probes ?
(A) Steel
(B) Graphite
(C) Tungsten
(D) Diamond

22. Which form of phosphorus is used in safety metals?
(A) Red Phosphorus
(B) White Phosphorus
(C) Yellow Phosphorus
(D) Black Phosphorous

23. Stainless steel is an alloy of —
(A) Iron, Carbon and Nickel
(B) Iron and Manganese
(C) Iron, Chromium and Zinc
(D) Iron, Chromium and Nickel

24. Which of the following is not correctly matched ?
(A) Galena : Lead Sulphide
(B) Green vitriol : Copper sulphate
(C) Plaster of Paris : Calcium sulphate
(D) Calomel : Mercurous Chloride

25. Which of the following metals forms an amalgum with other metals ?
(A) Lead
(B) Tin
(C) Zinc
(D) Mercury

Answers:
1. (C) 2. (A) 3. (B) 4. (C) 5. (C) 6. (C) 7. (B) 8. (A) 9. (D) 10. (C) 11. (C) 12. (D)
13. (B) 14. (A) 15. (B) 16. (D) 17. (B) 18. (A) 19. (C) 20. (D) 21. (D) 22. (A) 23. (D) 24. (B) 25. (D)
- See more at:
http://www.ssbcoaching.com


ssb - sainik- rimc- afcat- ta- acc entranace exam coaching academy
094437 20076
www.ssbcoaching.com

Comments

Post a Comment

Popular posts from this blog

RIMC December 2017 General Knowledge Solved paper

-
Defence Academy Coimbatore A leading coaching academy for Sainik, Military and RIMC Schools, NDA, IMA, AFCAT SSB, FSB Interview http://www.ssbcoaching.com call 094437 20076 RIMC December 2017  General Knowledge Solved paper Instructions: 1.         There are total of 75 Questions and each question carries one Mark. There is no negative marking for a wrong answer. 2.         Do not over write, dual answers shall not fetch any marks. 3.         All Questions are to be answered in the Question paper only. SECTION “A” (Tick) The correct answer Q.1 Which of the following part of the sun is easily visible only during total Solar Eclipse? A Core B Photosphere C Sunspot D Corona Q.2.Earth’s seasons are caused by which of the following? a) The belt of the earth’s rotation relative to the ecliptic...
Read more

GK Questions for RIMC- RMS Compiled by www.sainikrimc.com

-
Image
Defence Academy Coimbatore A leading coaching academy for Sainik, Military and RIMC Schools, NDA, IMA, AFCAT SSB, FSB Interview http://www.ssbcoaching.com call 094437 20076 GK Questions - First in India 21. Name of the first Indian to win Magsaysay Award ? Acharya Vinoba Bhave in 1958 22. Name of first Indian to win Nobel Prize ? Rabindranath Tagore 23. First Scientist of India to get Nobel Prize in Economics ? Dr. Amartya Sen 24. Name of the First Indian Submarine ? I.N.S. Cauveri 25. Name of the first person to get Paramvir Chakra Major Somnath Sharma 26. First Indian to go into space ? Sqn. Ldr. Rakesh Sharma 27. Name of first Indian to get Bharat Ratna Award ? Dr. S Radhakrishnan 28. Name of first speaker of Lok Sabha ? G.V. Mavlankar from 1952-1957 29. Name of first president of Indian National Congress ? W.C. Banerjee 30. First Presid...
Read more

Picture Perception - Model story

-
Image
PPDT STORY ON A DEAD BODY SCENCE: SET 1 Picture Perception and Description Test: A Dead body Scene I n this  PPDT story  you can have a general idea of how to write a PPDT  story on Dead Body  scene . THE BEST WAY TO PREPARE FOR  BASIC SCREENING TEST : PPDT IS TO  PRACTICE  MORE AND MORE AND BOOST YOUR WRITING SPEED. Sample PPDT picture of Dead body Scene What have you seen in the picture A room scene, probably a dead body on a bed & two people sitting on the side. A table is placed on the write with medicines and a stand at the back of bed. Characters involved Three including a dead body Age profile 18 to 20 years and 30 to 35 years Mood Negative What has already happened Probably a martyr lead down the life for the nation Present happenings Cremation and the dead body of the martyr before emotional seen with due encouragement to take revenge with the enemy Final outcome Productive and chall...
Read more