ACID, BASE & SALT

All acids contain:

     

• (a) Carbon        

• (b) Sulphur      

• (c) Hydrogen         

• (d) Iron

Which metallic hydroxide is used as antacid of the following ?

     

• (a) Magnesium hydroxide                        

• (b) Calcium hydroxide                                       

       

• =(c) Sodium hydroxide                                

•    (d) Copper hydroxide

Which chemical enters the skin when an ant bites?

    

•   (a) Acetic acid  

• (b) Caustic soda     

• (c) Formic acid

• (d) Potassium oxide

Which one is the base from the following compounds?

      

• (a) K₂SO₄    

• (b) NaHCO₃        

• (c) Ca Cl₂           

• (d) CaO

Acid present in a lemon, an orange & other sour fruits is:

     

• (a) Latic acid     

• (b) Citric acid    

• (c) Formic acid     

• (d) Ascorbic acid

When an acid reacts with a base it is known as?

       

• (a) Substitution reaction                    

• (b) Strong reaction                                                           

        

• (c) Neutralization reaction             

• (d) Decomposition reaction

Tags

NGSS.MS-PS1-5

Which one of the following types of medicines is used for indigestion?

      

• (a) Antibiotic   

• (b) Antacid       

• (c) Analgesic       

• (d) Antiseptic

Which one of the following compounds is a main constituent of washing powder?

        

• (a) Sodium chloride                      

• (b) Sodium carbonate   

         

•   (c) Sodium hydroxide                  

• (d) Bleaching powder

Plaster of Paris is a salt of:

      

• (a) Potassium

• (b) Copper     

• (c) Sodium     

• (d) Calcium       

Sulphuric acid is a ………………..

      

• (a) Strong acid   

•  (b) Weak acid   

• (c) Strong base     

• (d) Neither strong nor weak