General Knowledge : General Science QUESTIONS AND ANSWERS :: part1 : 56 to 60
Following General Knowledge Multiple choice objective type questions and answers will help you in TRB, SSC and UPSC 2024 examinations :
56.Permanent hardness of water may be removed by the addition of |
| alum |
| sodium carbonate |
| lime |
| potassium permanganate |
57.Ozone attacks |
| mercury and silver |
| copper |
| silver and iron |
| None of these |
58.The hardest substance available on earth is |
| Platinum |
| Coal |
| Diamond |
| Gold |
59.Which of the following is not an ore of aluminium ? |
| Feldspar |
| Bauxite |
| Cryolite |
| Azurite |
60.The most malleable metal is |
| Silver |
| Gold |
| Aluminium |
| Sodium |
More General Science QUESTIONS AND ANSWERS available in next pages
-
Health is the greatest gift, contentment is the greatest wealth -Buddha
- TNTET 2021 - Practice
- SSC CGL 2021 - Practice
- TNPSC Group 2A 2021 - Practice
- IIT JEE
- IIT JEE Q&A
- TNPSC Answer Keys
- TNPSC Group 2 Syllabus
-
TNPSC Q&A
- Online Tests - TNPSC
- Online Tests - GK
- IBPS 2020-2021
- Online Tests - Bank
- Online Tests - RRB NTPC
- Online Tests - UGC NET
- Online Tests - TANCET
- Online Aptitude Test
-
Engineering
-
Programming
-
Basic Science
-
Quiz
- Plus Two Question Papers
- SSLC Question Bank
-
Aptitude Tests
-
Logical Reasoning
-
General Knowledge-Hindi
-
Indian History MCQ
-
Indian Geography MCQ
-
Indian Civics MCQ
-
Indian Economics MCQ
-
CTET Biology MCQ
-
CTET Chemistry MCQ
-
CTET Physics Solved MCQ
-
Arithmetic Tests
- Press Release
- FAQ
- Coaching Centres
- TNPSC Group 1 Syllabus
-
TNPSC Group IV Syllabus
- TRB 2017 in English PDF
- TRB 2017 in Tamil PDF
- TET
- TNTET
If you are not willing to risk the usual you will have to settle for the ordinary- Jim Rohn
