gk questions 2013

Some selected gk questions from our Online Gk. These questions are shared by our visitors.



1. Density of water is  maximum at which temperature ?
Answer: 4 oC


2. Which is the most abundant noble gas in atmosphere?
Answer: Argon 
  

3. Which of the following is used to remove rust stain from clothes ?
a) lime water    b) alcohol     c) Oxalic acid      d) Kerosine

Answer: Oxalic acid


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