1401. Density of Ice is____?
✅ A. 917kg/m3
Author: Aurangzeb – Page 71
1402. Ruby is an oxide of_____?
✅ D. aluminium oxide
1403. The number of electrons of a neutral atom is automatically known if one knows the?
✅ B. Atomic number
1404. He _ as a teacher before he became a lecturer
✅ A. had worked
1405. A man can survive without food for at least?
✅ B. One month
1406. A slow-running pendulum clock can be speeded up by_____?
✅ C. Reducing the length of the rod
1407. What is the date when day and night are equal?
✅ C. March 20 and September 23
1408. The only living cells in the body without blood supply is______?
✅ C. Cornea
1409. The Sun is a _____?
✅ B. Star
1410. The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is ___ ?
✅ C. Helium