Indian army has published the notification for SSC Tech 56 men and SSC Tech 27 women for the course commencing at OTA Chennai from April 2021
Identify the pair which has an electrovalent bond.
CHCl3 and CCl4
MgCl2 and K2SO4
MgCl2 and CCl4
NaCl and CH4
A chemical compound becomes hard on mixing with the proper quantity of water. It is also used in surgery to maintain joints in a fixed position. Name the chemical compound.
Baking soda
Washing soda
Sodium hydroxide
Plaster of Paris
On passing chlorine over dry slaked lime at room temperature, What is the chemical formula of the main product?
CaOCl3
Cacl2
CaCl2
Ca(OCl)2
Match List-I and List-II and select the correct answer given below the lists:
4-c 2-d 3-a 1-b
1-b 2-c 3-d 4-a
1-a 2-b 3-c 4-d
1-c 2-d 3-a 4-b
Which among the following alcohol is known as ‘WOOD SPIRIT’?
Ethanol
Propanol
Methanol
Butanol
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