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Test: Chemistry- 2 - Bank Exams MCQ


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20 Questions MCQ Test General Awareness & Knowledge - Test: Chemistry- 2

Test: Chemistry- 2 for Bank Exams 2024 is part of General Awareness & Knowledge preparation. The Test: Chemistry- 2 questions and answers have been prepared according to the Bank Exams exam syllabus.The Test: Chemistry- 2 MCQs are made for Bank Exams 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Chemistry- 2 below.
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Test: Chemistry- 2 - Question 1

Commercial Vaseline is derived from -

Detailed Solution for Test: Chemistry- 2 - Question 1

Vaseline is a brand of petroleum jelly based products owned by Anglo-Dutch company Unilever. While Vaseline can be used as a lubricant, it is also a useful moisture insulator for local skin conditions characterized by tissue dehydration. Vaseline helps protect minor cuts and burns.

Test: Chemistry- 2 - Question 2

Colour imparted to the Bunsen flame by strontium salt is -

Detailed Solution for Test: Chemistry- 2 - Question 2

A flame test is performed by introducing a sample into the blue flame of a bunsen burner and noting any change in the colour of the flame. The tests can be used to detect the presence of some metallic elements in salts. With strontium salt, the colour of Bunsen flame ranges from crimson to red.

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Test: Chemistry- 2 - Question 3

Name the particle that is most essential to continue the chain reaction during the fission of uranium -

Detailed Solution for Test: Chemistry- 2 - Question 3

Nuclear fission is either a nuclear reaction or a radioactive decay process in which the nucleus of an atom splits into smaller parts (lighter nuclei), often producing free neutrons and photons (in the form of gamma rays), and releasing a very large amount of energy, even by the energetic standards of radioactive decay. Fission as encountered in the modern world is usually a deliberately produced manmade nuclear reaction induced by a neutron.

Test: Chemistry- 2 - Question 4

Which one amongst the following is not a Green House gas?

Detailed Solution for Test: Chemistry- 2 - Question 4

A greenhouse has (sometimes abbreviated GHG) is a gas in an atmosphere that absorbs and emits radiation within the thermal infrared range. The primary greenhouse gases in the Earth's atmosphere are water vapour, carbon dioxide, methane, nitrous oxide, and ozone.

Test: Chemistry- 2 - Question 5

The element used in the manufacture of safety matches is –

Detailed Solution for Test: Chemistry- 2 - Question 5

One end of a match is coated with a material that can be ignited by frictional heat generated by striking the match against a suitable surface. The coated end of a match, known as the match "head," contains either phosphorus or phosphorus sesquisulfide as the active ingredient and gelatin as a binder.

Test: Chemistry- 2 - Question 6

The main source of Naphthalene is -

Detailed Solution for Test: Chemistry- 2 - Question 6

The main source of Naphthalene is coal-tar. Naphthalene is derived from a kind of naphtha which is a broad term encompassing any volatile, namable liquid hydrocarbon mixture, including coaltar. 

Test: Chemistry- 2 - Question 7

The material used in solar cells contains

Detailed Solution for Test: Chemistry- 2 - Question 7

A solar cell (also called a photovoltaic cell) is an electrical device that converts the energy of light directly into electricity by the photovoltaic effect. Materials presently used for photovoltaic solar cells include mono-crystalline silicon, polycrystalline silicon, amorphous silicon, cadmium telluride, and copper iridium selenide/sulfide.

Test: Chemistry- 2 - Question 8

Quartz is a crystalline form of -

Detailed Solution for Test: Chemistry- 2 - Question 8

Quartz is made up of a continuous framework of SiO4 silicon-oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall formula SiO2. Tridymite and cristobalite are hightemperature polymorphs of SiO2 that occur in high-silica volcanic rocks. Coesite is a denser polymorph of quartz found in some meteorite impact sites and in metamorphic rocks.

Test: Chemistry- 2 - Question 9

In vulcanisation process, rubber can be hardened by adding -

Detailed Solution for Test: Chemistry- 2 - Question 9

In order to give more strength and more elasticity, natural rubber is heated with sulphur or sulphur compounds at 150°C temperature. Vulcanized rubber has good tensile strength.

Test: Chemistry- 2 - Question 10

Urea is a -

Detailed Solution for Test: Chemistry- 2 - Question 10

More than 90% of world production of urea is destined for use as a nitrogen-release fertilizer. Urea has the highest nitrogen content of all solid nitrogenous fertilizers in common use.

Test: Chemistry- 2 - Question 11

During inter conversion of energy from one form to other forms, total energy at any time remains–

Detailed Solution for Test: Chemistry- 2 - Question 11

During interconversion of energy from one form to other forms, total energy at any time remains constant.

Test: Chemistry- 2 - Question 12

Which of the following is a physical change?

Detailed Solution for Test: Chemistry- 2 - Question 12

Sublimation is a type of phase transition, or a change in a state of matter, just like melting, freezing, and evaporation.

Test: Chemistry- 2 - Question 13

Sea weeds are important source of –

Detailed Solution for Test: Chemistry- 2 - Question 13

Seaweed is a source of iodine, necessaly for thyroid function and to prevent goitre. However, an excess of iodine is suspected in the heightened cancer risk in Japanese who consume a lot of the plant, and even bigger risks in post-mempausal women.

Test: Chemistry- 2 - Question 14

Which gas is used to manufacture vanaspati from vegetable oil is -

Detailed Solution for Test: Chemistry- 2 - Question 14

Hydrogen is used to manufacture vanaspati from vegetable oil.

Test: Chemistry- 2 - Question 15

The pH of a neutral solution is -

Detailed Solution for Test: Chemistry- 2 - Question 15

The pH of a neutral solution is 7. Values less than 7 on the pH scale represent an acidic solution. As the pH value increases from 7 to 14, the solution turns more basic.

Test: Chemistry- 2 - Question 16

The nucleus of an atom consists of -

Detailed Solution for Test: Chemistry- 2 - Question 16

The atomic nucleus consists of nucleons—protons and neutrons. Protons and neutrons are made of quarks and held together by the strong force generated by gluon exchange between quarks.

Test: Chemistry- 2 - Question 17

Detergents are –

Detailed Solution for Test: Chemistry- 2 - Question 17

A detergent is a surfactant or a mixture of surfactants with "cleaning properties in dilute solutiops." These substances are usually alkylbenzenesulfonates, a family of compounds that are similar to soap but are more soluble in hard water, because the polar sulfonate (of detergents) is less likely than the polar carboxyl (of soap) to bind to calcium and other ions found in hard water. In most household contexts, the term detergent by itself refers specifically to laundry detergent or dish detergent, as opposed to hand soap or other types of cleaning agents.

Test: Chemistry- 2 - Question 18

The noble gas used in radiotherapy is

Detailed Solution for Test: Chemistry- 2 - Question 18

An early-20th-century form of quackery was the treatment of maladies in a radiotorium. It was a small, sealed room for patients to be exposed to radon for its "medicinal effects". The carcinogenic nature of radon due to its ionizing radiation became apparent later on. Radon's molecule-damaging radioactivity has been used to kill cancerous cells. It does not, however, increase the health of healthy cells. In fact, the ionizing radiation causes the formation of free radicals, which results in genetic and other cell damage, resulting in increased rates of illness, including cancer.

Test: Chemistry- 2 - Question 19

Ethanol containing 5% water is known as –

Detailed Solution for Test: Chemistry- 2 - Question 19

A rectified spirit, rectified alcohol, or neutral spirit is highly concentrated ethanol which has been purified by means of repeated distillation, a process that is called rectification. It typically contains 95% alcohol by volume (ABV). Rectified spirits are used in mixed drinks, in the production of liqueurs, for medicinal purposes, and as a household solvent.

Test: Chemistry- 2 - Question 20

The important ore of aluminium is –

Detailed Solution for Test: Chemistry- 2 - Question 20

Bauxite is an aluminium ore and is the main source of aluminium. This form of rock consists mostly of the minerals gibbsite, boehmite and diaspore , in a mixture with the two iron oxides goethite and hematite, the clay mineral kaolinite, and small amounts of anatase TiO2. Bauxite was named after the village Les Baux in southern France, where it was first recognized as containing aluminium and named by the French geologist Pierre Berthier in 1821.

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