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Q:

An acid can be defined as

Answer

An acid can be defined as a molecule or other species which can donate a proton or accept an electron pair in reactions.


(OR)


A substance with particular chemical properties including turning litmus red, neutralizing alkalis, and dissolving some metals; typically, a corrosive or sour-tasting liquid of this kind.

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2 1883
Q:

Which drug is used as a Nonsteroidal anti-inflammatory drug?

A) Risedronate B) Diazepam
C) Folic Acid D) Ibuprofen
 
Answer & Explanation Answer: D) Ibuprofen

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Q:

In arc welding, Argon is used because of its

A) Low reactivity with metal B) Ability to lower the melting point of the metal
C) High flammability D) High calorific value
 
Answer & Explanation Answer: A) Low reactivity with metal

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Q:

Process of loosing electrons is known as _____.

A) oxidation B) reduction
C) radiation D) both oxidation and reduction
 
Answer & Explanation Answer: A) oxidation

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Q:

The biogas used for cooking is a mixture of which of the following ?

A) Carbon dioxide & oxygen B) Isobutane & propane
C) Methane & carbon monoxide D) Methane & carbon dioxide
 
Answer & Explanation Answer: D) Methane & carbon dioxide

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Q:

Which of the following is used as non­ stick coating for cooking utensils?

A) Perspex B) Styrofoam
C) Polystyrene D) Teflon
 
Answer & Explanation Answer: D) Teflon

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Q:

Which among the following is an example of mixture?

A) Milk B) Gasoline
C) Liquefied petroleum gas D) All options are correct
 
Answer & Explanation Answer: D) All options are correct

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Q:

The process of depositing a layer of any desired metal on another material by means of electricity is called ___________.

A) Electroplating B) Galvanisation
C) Rusting D) Crystallisation
 
Answer & Explanation Answer: A) Electroplating

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