(B) (ii) only Double displacement reaction is the reaction in which two different atoms or group of atoms are mutually exchanged. In this reaction, sodium and barium were mutually exchanged.
(B) (ii) only
Double displacement reaction is the reaction in which two different atoms or group of atoms are mutually exchanged. In this reaction, sodium and barium were mutually exchanged.
What is the formula for magnification obtained with a lens?
[A] Ratio of height of image to height of object
[A] Ratio of height of image to height of object
See lessA milk man adds a very small amount of baking soda to fresh milk:
[B] To decrease the rate of fermentation
[B] To decrease the rate of fermentation
See lessHow spherical mirror is made?
[A] From cut portion of hollow sphere of glass.
[A] From cut portion of hollow sphere of glass.
See lessNelu’s friend suffered a fracture in her foot while riding her bicycle. She had to be admitted to the Nursing Home and the doctor plastered her foot. The chemical formula for POP is:
[C] CaSO₄.1/2H₂O
[C] CaSO₄.1/2H₂O
See lessSelect the colours in the correct ascending of wavelength:
[A] Blue, Green, Red
[A] Blue, Green, Red
See lessWhich among the following is (are) double displacement reaction(s)?
(B) (ii) only Double displacement reaction is the reaction in which two different atoms or group of atoms are mutually exchanged. In this reaction, sodium and barium were mutually exchanged.
(B) (ii) only
See lessDouble displacement reaction is the reaction in which two different atoms or group of atoms are mutually exchanged. In this reaction, sodium and barium were mutually exchanged.
When the turnings are added to silver nitrate solution, a blue coloured solution is formed after some time. It is because copper:
[C] (I) and (III) Copper is placed above silver in electrochemical series and thus reaction occurs Cu+2Ag⁺ → Cu2⁺ +2Ag
[C] (I) and (III)
See lessCopper is placed above silver in electrochemical series and thus reaction occurs
Cu+2Ag⁺ → Cu2⁺ +2Ag
A spectrum of light is observed when white light is directed to a prism as:
[B] The different colours in the white light bend towards the normal line at different angles on entering prism.
[B] The different colours in the white light bend towards the normal line at different angles on entering prism.
See lessThe living cells were discovered by
[C] Leeuwenhoek
[C] Leeuwenhoek
See lessThe husk of coconut is made up of
[A] Sclerenchyma
[A] Sclerenchyma
See less