1.Which of these is a non-metallic solid?
A. Hydrogen
B. Mercury
C. Sulphur
2.Which of the following structure can exist as Zwitter isn?
A. Benzene diazonium chloride
B. o-amino benzene sulphonate ion
C. p-amino benzoic acid
D. Benzene diazonium hydrogen sulphate
3.Which of these metals is found in both bronze and brass?
A. Silver
B. Copper
C. Tin
4.Which of the following liquid metal used in thermometers?
A. Gold
B. Copper
C. Water
D. Mercury
5.Tritium is an isotope of ...
A. Nitrogen
B. Oxygen
C. Hydrogen
D. Phosphorous
6.Which chemical element has the shortest name - 3 letters?
A. H2O
B. Tin
C. Lead
7.Potassium Permanganate is used for purifying drinking water, because
A. It is a sterilising agent
B. It dissolves the impurities of water
C. It is a reducing agent
D. It is an oxidising agent
8.Which is known as "FRIENDLY CHEMISTRY"?
A. Red chemistry
B. Blue chemistry
C. Green chemistry
D. Orange chemistry
9.Hydrogen is used instead of Helium to fill balloons for meteorology because
A. Of its low density
B. It is not very reactive under normal conditions
C. It is almost insoluble in water
D. It can be prepared easily
10.Which of the following reagent can be used to convert benzene diazonium chloride to benzene?
A. Phosphorus acid
B. Phosphoric acid
C. Hypophosphoric acid
D. Metaphosphoric acid
11.In domestic LPG cylinders, a small quantity of which foul smelling chemical is added to act as a warning agent in case of any gas leakage ?
A. Pyridine
B. Isocyanide
C. Cadaverine
D. Ethyl Mercaptan
12.A compound of which of these metals is used in photoghraphy?
A. Iron
B. Calcium
C. Silver
13.Water is made up of what two elements?
A. Hydrogen and carbon
B. Hydrogen and oxygen
14.Which chemical element imparts the yellow colour observed in fire work displays?
A. Calcium
B. Copper
C. Sodium
D. Magnesium
15.What is the popular name of Ascorbic acid ?
A. Vitamin A
B. Vitamin B
C. Vitamin C
D. Vitamin D
16.What is Azofication?
A. It is also known as composite fixation of nitrogen
B. It is also known as free fixation of nitrogen
C. It is also known as free fixation of nitrogen fixed by Rhizobium bacteria
D. It is also known as nitrogen gain through rains or snow
17.The influx of domestic sewage containing detergents cause nutrient enrichment in water bodies due to the presence of
A. Carbonates
B. Nitrates
C. Phosphates
D. Silicates
18.Calorie value is the least of the following materials -
A. Coal gas
B. Producer gas
C. Steam fiery gas
D. Oil gas
19.The high reactivity of fluorine is due to
A. Its high electro negativity
B. Small size of fluorine atom
C. Availability of d-orbitals
D. Strong F - F bond
20.Quartz crystals normally used in quartz clocks etc. is chemically
A. Silicon dioxide
B. Germanium oxide
C. A mixture of germanium oxide and silicon dioxide
D. Sodium silicate
A. Hydrogen
B. Mercury
C. Sulphur
2.Which of the following structure can exist as Zwitter isn?
A. Benzene diazonium chloride
B. o-amino benzene sulphonate ion
C. p-amino benzoic acid
D. Benzene diazonium hydrogen sulphate
3.Which of these metals is found in both bronze and brass?
A. Silver
B. Copper
C. Tin
4.Which of the following liquid metal used in thermometers?
A. Gold
B. Copper
C. Water
D. Mercury
5.Tritium is an isotope of ...
A. Nitrogen
B. Oxygen
C. Hydrogen
D. Phosphorous
6.Which chemical element has the shortest name - 3 letters?
A. H2O
B. Tin
C. Lead
7.Potassium Permanganate is used for purifying drinking water, because
A. It is a sterilising agent
B. It dissolves the impurities of water
C. It is a reducing agent
D. It is an oxidising agent
8.Which is known as "FRIENDLY CHEMISTRY"?
A. Red chemistry
B. Blue chemistry
C. Green chemistry
D. Orange chemistry
9.Hydrogen is used instead of Helium to fill balloons for meteorology because
A. Of its low density
B. It is not very reactive under normal conditions
C. It is almost insoluble in water
D. It can be prepared easily
10.Which of the following reagent can be used to convert benzene diazonium chloride to benzene?
A. Phosphorus acid
B. Phosphoric acid
C. Hypophosphoric acid
D. Metaphosphoric acid
11.In domestic LPG cylinders, a small quantity of which foul smelling chemical is added to act as a warning agent in case of any gas leakage ?
A. Pyridine
B. Isocyanide
C. Cadaverine
D. Ethyl Mercaptan
12.A compound of which of these metals is used in photoghraphy?
A. Iron
B. Calcium
C. Silver
13.Water is made up of what two elements?
A. Hydrogen and carbon
B. Hydrogen and oxygen
14.Which chemical element imparts the yellow colour observed in fire work displays?
A. Calcium
B. Copper
C. Sodium
D. Magnesium
15.What is the popular name of Ascorbic acid ?
A. Vitamin A
B. Vitamin B
C. Vitamin C
D. Vitamin D
16.What is Azofication?
A. It is also known as composite fixation of nitrogen
B. It is also known as free fixation of nitrogen
C. It is also known as free fixation of nitrogen fixed by Rhizobium bacteria
D. It is also known as nitrogen gain through rains or snow
17.The influx of domestic sewage containing detergents cause nutrient enrichment in water bodies due to the presence of
A. Carbonates
B. Nitrates
C. Phosphates
D. Silicates
18.Calorie value is the least of the following materials -
A. Coal gas
B. Producer gas
C. Steam fiery gas
D. Oil gas
19.The high reactivity of fluorine is due to
A. Its high electro negativity
B. Small size of fluorine atom
C. Availability of d-orbitals
D. Strong F - F bond
20.Quartz crystals normally used in quartz clocks etc. is chemically
A. Silicon dioxide
B. Germanium oxide
C. A mixture of germanium oxide and silicon dioxide
D. Sodium silicate
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