Q. Chlorine gas is used in the manufacture of :
1) Washing soda
2) Baking soda
3) Baking powder
4) Bleaching powder
Q. If you look into a mirror and find that the image (your reflexion) is smaller than you, then the type of the mirror is :
1) plane mirror
2) plano-concave mirror
3) condvex mirror
4) concave mirror
Q. Who among the following laid the foundation of chemical sciences by establishing two important laws of chemical combination?
1) Joseph L. Proust
2) Democritus
3) Ernest Rutherford
4) Antoine L. Lavoisier
Q. If ........ is involved, even greater diversity will be generated.
1) asexual reproduction
2) vegetative propagation
3) binary fission
4) sexual reproduction
Q. A body of 4.0 kg is lying at rest. Under the action of a constant force, it gains a speed of 5 m/s. the work done by the force will be .........
1) 20 J
2) 30 J
3) 50 J
4) 40 J
Q. The resistance of a conductor is inversely pro-portional to its :
1) resistivity
2) area of cross section
3) temperature
4) length
Q. Earliest thermometer was developed by:
1) Celsius
2) Fahrenheit
3) Kelvin
4) Galileo
Q. When an object is heated, the molecules of that object :
1) began to move faster
2) lose energy
3) become heavier
4) become lighter
Q. The pH value of milk is :
1) 2.4
2) 3.8
3) 6.6
4) 8.8
Q. Who among the following is appointed as the first Lokpal of India?
1) Justice A K Goel
2) Justice Dipak Mishra
3) Justice P C Ghosh
4) Justice Kurian Joseph
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