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
Vinegar is a trade name for
Acetic acid
Chloroform
Carbon tetrachloride
Ethyl alcohol
Which among the following chemicals is used in Beauty Parlours for the hair - setting
Sulphur-based
Phosphorus-based
Silicon-based
Iron-based
Non-conductors, whose polarization is caused by an electric field, are known as
Semi-conductors
Super- conductor
Dielectrics
Resistive conductors
The resistance of a wire that must be placed parallel with a 12Q resistance to obtain a combined resistance of 4Q is
2Q
4Q
6Q
Consider the following statements regarding diamond
i. It is an allotrope of Silver
ii. It is a bad conductor of heat and electricity
iii. It is the hardest substance
iv. It burns to produce carbon dioxide
Which of the following statements given above are correct?
1,2,3 and 4
2,3 and 4
1 and 2
1,3 and 4 only