Which of the following gases is monatomic?
a. Nitrogen
b. Argon
c. Hydrogen
d. Chlorine
[Ques. 2] What is the name of the earthquake scale that describes the severity of an earthquake by noting the amount of damage it causes?
a. Richter scale
b. Mohs scale
c. Torino scale
d. Modified Mercalli scale.
[Ques. 3] Which is the formula for baking soda?
a. NaHCO3
b. NaOH
c. (NH4)2 SO4
d. HC2H3O2
[Ques. 4] What is the name of the earthquake scale that gives an absolute measure of the energy released by an earthquake?
a. Modified Mercalli scale
b. Mohs scale
c. Torino scale
d. Richter scale
[Ques. 5] What is the preferred name for Mg3N2?
a. Magnesium trinitride
b. Magnesium nitride
c. Dimagnesium trinitride
d. Manganese nitrate
[Ques. 6] The difference in time between the arrival of S waves and the arrival of P waves can be used to determine
a. the magnitude of an earthquake.
b. the epicenter of an earthquake.
c. the damage caused by an earthquake.
d. all of the above.
[Ques. 7] Which of the following polyatomic ions has a doubly negative charge?
a. Acetate
b. Sulfate
c. Phosphate
d. Ammonium
[Ques. 8] The waves of an earthquake are detected by an instrument called a
a. seismometer.
b. seismogram.
c. seismograph.
d. seismoscope.
[Ques. 9] Which of the following polyatomic ions has a single minus charge?
a. Acetate
b. Sulfate
c. Phosphate
d. Ammonium
[Ques. 10] Earthquake P waves are
a. neither longitudinal nor transverse.
b. transverse.
c. longitudinal.
d. sometimes longitudinal and sometimes transverse.
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