What is the name of silicon carbide (SiC)?
- (A) Silicon carbon
- (B) Quartz
- (C) Carborundum
- (D) Calcium oxide
- (C) Carborundum
Which of the following gases is used for filling weather balloons?
- (A) Argon
- (B) Helium
- (C) Oxygen
- (D) Nitrogen
- (B) Helium
The ability of metals to be drawn into thin wire is known as:
- (A) Ductility
- (B) Malleability
- (C) Sonorously
- (D) Conductivity
- (A) Ductility
The property by which metals can be beaten into thin sheets is known as:
- (A) Conductivity
- (B) Malleability
- (C) Ductility
- (D) Density
- (B) Malleability
Blood is _______ in nature.
- (A) Acidic
- (B) Variable
- (C) Neutral
- (D) Alkaline
- (D) Alkaline
The deterioration of a metal by an electrochemical process commonly termed as:
- (A) Abrasion
- (B) Corrosion
- (C) Erosion
- (D) Passivation
- (B) Corrosion
The stones formed in human body kidney consists of:
- (A) Calcium sulfate
- (B) Calcium acetate
- (C) Calcium oxalate
- (D) Calcium bicarbonate
- (C) Calcium oxalate
In fireworks, the green flame is produced because of:
- (A) Mercury
- (B) Sodium
- (C) Potassium
- (D) Barium
- (D) Barium
Which of the following types of photons has the highest energy?
- (A) Visible reactions
- (B) Gamma rays
- (C) X-rays
- (D) Radio waves
- (B) Gamma rays
Which of the following has the least penetrating power?
- (A) Alpha particles
- (B) Beta particles
- (C) Gamma particles
- (D) All have same power
- (A) Alpha particles
Pages: Page 1, Page 2, Page 3, Page 4, Page 5, Page 6, Page 7, Page 8, Page 9, Page 10, Page 11, Page 12, Page 13, Page 14, Page 15, Page 16, Page 17, Page 18, Page 19, Page 20, Page 21, Page 22, Page 23, Page 24, Page 25, Page 26, Page 27, Page 28, Page 29, Page 30, Page 31, Page 32, Page 33, Page 34, Page 35, Page 36, Page 37, Page 38, Page 39, Page 40, Page 41