901. Nail polish remover contains___________?
A. Acetone
B. Benzene
C. Acetic acid
D. Petroleum ether

902. What is a mixture of Potassium Nitrate Powdered Charcoal and Sulphur called?
A. Paint
B. Glass
C. Gun Powder
D. Cement

903. Which is the heaviest metal?
A. Iron
B. Mercury
C. Nickel
D. Osmium

904. Bleaching action of chlorine is by________?
A. Oxidation
B. Reduction
C. Decomposition
D. Hydrolysis

905. Bleaching powder contains___________?
A. Nitrogen
B. Iodine
C. Chlorine
D. Bromine

906. The property by virtue of which metals can be beaten into thin sheets is known as
A. Ductility
B. Conductivity
C. Malleability
D. None of these

907. The sky appears blue because the earth’s atmosphere
A. Scatters blue light
B. Reflects blue light
C. Transmitted blue light
D. None of these

908. A tight-rope walker carries a long pole which he holds across his body. The purpose of this pole is to
A. Prop him up if he falls
B. Spread out his weight and reduce the pressure on the rope
C. To keep the center of gravity always vertically above the rope
D. None of these

909. Saliva contains__________?
A. Amylases
B. Bite
C. Trypsin
D. None of these

910. Which of the following regulates the Metabolism Of Sugar?
A. Thyroid
B. Insulin
C. Glucose
D. None of These

Leave a Reply