A) Violet |
B) Green |
C) Yellow |
D) Red |
D) Red |
1). Which one among the following is not a correct statement ?
| ||||
2). \( \Large NaOH + HCL -> NaCl + H_{2}O \) In the above chemical reaction ;
| ||||
3). Which element forms the highest number of compounds in the periodic table ?
| ||||
4). Dirty cloths containing grease and oil stains are cleaned by adding detergents to water. Stains are removed because detergent :
| ||||
5). Motion of an oscillating liquid column in a U-tube 1s :
| ||||
6). A ray of white light strikes the surface of an object. If all the colours are reflected the surface would appear:
| ||||
7). Magnetic, electrostatic and gravitational forces come under the category of
| ||||
8). Dispersion process forms spectrum due to white light falling on a prism. The light wave with, shortest wavelength :
| ||||
9). The main source of energy in Sun is:
| ||||
10). A liquid initially contracts when cooled down to 4 degree C but on further cooling down to 0 degree C, it expands. The liquid is :
|