2. Questions Bank
  3. UPSC
  4. Chemistry
  5. States of Matter / पदार्थ की अवस्थाएँ - गैस एवं द्रव

UPSC Chemistry States of Matter / पदार्थ की अवस्थाएँ - गैस एवं द्रव Question Bank Chemistry, Matter and its Composition

  • question_answer
          Which of the following is a good lubricant?                           [CDS]

    A) Diamond powder

    B)        Graphite powder

    C) Molten carbon

    D) Alloy of carbon and iron

    Correct Answer: B

You need to login to perform this action.
You will be redirected in 3 sec spinner