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Archive for the ‘Chemistry’ Category

4000 Questions science videos + PDF series I SSC , Railway

4000 Questions science videos + PDF series I SSC , Railway

Join complete GK course or SSC CGL Online Coaching course (T1+T2+T3+T4) or Hard Drive course and be a part of this series.

Q1.Organisms link amino acids in chains called polypeptides and

अमीनो अम्ल (more…)

General Science for SSC CGL : 2000 Important Questions of Science for CGL & CHSL Part-1

General Science for SSC CGL : 2000 Important Questions of Science for CGL & CHSL Part-1

Dear Aspirants,

This Article contains General Science Important Questions for CGL, CHSL and Others SSC Exams. General science is part of the General (more…)

Chemistry-day-6 combustion-flame-theory Target ssc cgl 2018

Chemistry-day-6 combustion-flame-theory Target ssc cgl 2018

COMBUSTION AND FLAME 

What is Combustion?

A chemical process in which a substance reacts with oxygen to give off  heat is called combustion.

The substance that undergoes combustion is said to be combustible. It is also called a fuel. The  fuel may be solid, (more…)

Chemistry quiz: Daily quiz for SSC CGL / CHSL Exam

Chemistry quiz: Daily quiz for SSC CGL / CHSL Exam

Q1. The sewage obtained from water closets and urinals is known as

(a)Sanitary waste    

(b) Industrial Waste

(c) Garbage

(d) Sullage

Q2. Maximum permissible concentration of total hardness in drinking water is

(a) 50

(b)100

(c)200

(d) 500

Q3. Electric fuse is (more…)

Chemistry-day-4 metals-non-metals questions Target ssc cgl 2018

Chemistry-day-4 metals-non-metals questions Target ssc cgl 2018

Q1. A metal is exposed to the atmosphere for some time. It becomes coated with green carbonate. The metal must be

  1. silver
  2. copper
  3. aluminium
  4. zinc

Q2. Which among (more…)

Chemistry-day-3 synthetic fibers plastics theory mcqs Target ssc cgl 2018

Chemistry-day-3 synthetic fibers plastics theory mcqs Target ssc cgl 2018

Q1. What is the full form of PET?

(a)Polyester

(b)Polyester and Terylene

(c)Polyethylene and Tetraphthalate

(d)Poly ethene and Terylene

Q2. Common name of Polyacrylonytrile is…

(a)Orlon

(b)Teflon

(c)PVC

(d)Bakelite

Q3. From which tree do we get rubber?

(a)Toona

(b)Hevea Brasiliensis

(c)Ficus benghalensis

(d)Mangifera indica

Q4. Which of the following oxides (more…)

Chemistry-day-5 coal-petroleum-mcqs Target ssc cgl 2018

Chemistry-day-5 coal-petroleum-mcqs Target ssc cgl 2018

Q1. Which of the following type of coal has the lowest proportion of volatile matter?

  1. Lignite
  2. Peat
  3. Bituminous
  4. Anthracite

Q2. Which of the following is used as filler in tyre of (more…)

Chemistry-day-11 chemical-reactions-mcqs Target ssc cgl 2018

Chemistry-day-11 chemical-reactions-mcqs Target ssc cgl 2018

Q1. Sum of oxidation number of atoms in a molecule is

(a)-1

(b)-2

(c)+1

(d)0

Q2. Pb + CuCl2  →  Pb Cl2 + x     What is x in above equation

(a)Cu

(b)CuO

(c)CuCl

(d)PbCl

Q3. Chips manufacturers usually flush (more…)

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