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Q:

The electrochemical cell stops working after some time because ________

A) Electrode potential of both the electrodes becomes zero B) One of electrodes completely vanishes
C) Electrode potential of both electrodes equalizes D) The reaction reverses its direction
 
Answer & Explanation Answer: C) Electrode potential of both electrodes equalizes

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Filed Under: Chemistry

Q:

"If a system A is in thermal equilibrium with B and B is in thermal equilibrium with C, then A and C are in equilibrium with each other". This is a statement of 

A) Cyclic rute B) Zeroth law of thermodynamics
C) First law of thermodynamics D) Second law of thermodynamics
 
Answer & Explanation Answer: B) Zeroth law of thermodynamics

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Filed Under: Chemistry

Q:

Of the following elements, which one has the same oxidation  state in all of its compounds?

A) Hydrogen B) Fluroine
C) Carbon D) oxygen
 
Answer & Explanation Answer: B) Fluroine

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Filed Under: Chemistry

Q:

Wavelength of which of the following colours of the visible spectrum of light are maximally  absorbed by green plants________

A) Green and Yellow B) Red and Blue
C) Green and Red D) Blue and Yellow
 
Answer & Explanation Answer: B) Red and Blue

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Filed Under: Chemistry

Q:

A Fuse is used in mains electric supply as a safety devices. Which one of the following statements about the fuse is correct?

A) It is connected in parallel with the main switch B) It is made mainly from silver alloys
C) It must have a low melting point D) It must have a very high resistance
 
Answer & Explanation Answer: C) It must have a low melting point

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Filed Under: Physics

Q:

'Skycar' , a light aerial multi-purpose vehicle, is set to make its world debut in the US. Name the company which has developed the model?

A) Ford B) Audi
C) Rolls Royce D) Moller International
 
Answer & Explanation Answer: D) Moller International

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Filed Under: Business Awareness

Q:

China's TCL Communication has a joint venture agreement with European company for manufacturing mobile handsets?

A) Alcatel B) Nokia
C) Siemens D) None of these
 
Answer & Explanation Answer: A) Alcatel

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Filed Under: Business Awareness

Q:

Hindustan Lever is selling Lipton Ice Tea in the Indian Market in association with which company?

A) McDonald B) pepsiCo
C) Coca Cola D) Rasna
 
Answer & Explanation Answer: B) pepsiCo

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Filed Under: Business Awareness