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
Which one of the following will NOT produce carbon dioxide on reacting with an aqueous solution of hydrochloric acid?
Limestone
Quick lime
Chalk
Marble
Which one of the following substances is NOT a mixture?
Ice
Ice-cream
Air
Honey
Which one of the following is an example of salt-Crystal growth?
Chemical weathering
Physical weathering
Biological weathering
Bio-chemical weathering
Which one of the following is the correct sequence of proved coal reserves in the Indian states in decreasing order?
Jharkhand, Chhattisgarh, Odisha, West Bengal
Jharkhand, Odisha, Chhattisgarh, West Bengal
Odisha, West Bengal, Jharkhand, Chhattisgarh
Odisha, Chhattisgarh, West Bengal, Jharkhand
Consider the following statements relating to Richer scale:
1) It was devised in 1935 by Charles F. Richter
2) It describes the quantity of energy released by a single earthquake
3) Richer Scale has no upper limit
Which of the statements given above is/are correct?
1 only
1 and 2 only
2 and 3 only
1, 2 and 3
