For the first time SSC 2016 examination will be held in Computer Based pattern and managing time will be one of the important factor while solving the questions. So in order to make students familiar with such a situations we are providing questions in a time based manner , which will help students to manage the time properly.
1. The substances that are composed of two or more different elements in fixed proportion by mass are called—
compound
mixture
element
none of the above
2. Which one is not metal?
sugar
Sulphur
nitrogen
all
2. Antimony is—
metal
metalloid
non metal
none of the above
4. Which of the following is a mixture?
distilled water
liquefied petroleum gas
gasoline
both (b) & (c)
5. The mass of one atom of hydrogen is approximately—
1 g
1.5 g
1.6 × 10-24 g
3.3 × 10-24 g
6. A mixture of sand and naphthalene can be separated by—
Chromatography
Fractional distillation
Sublimation
None of the above
7.‘Misch metal’ is widely used in manufacture of which of the following?
material of car break
smoke detectors
cigarette lighters
emergency lights
8. Which of the following laws directly explains the law of conservation of mass?
Avogadro’s law
Hund’s rule
Dalton’s law
Berzelius hypothesis
9. Name the scientist who stated that matter can be converted into energy?
Boyle
Einstein
Avogadro
Lavoisier
10. The M.K.S.(Meter-Kilogram-Second )system was first introduced by—
Archimedes
Newton
Einstein
Giorgi
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