Description : How many elemental symbols have been taken from Latin names so far ?
Last Answer : So far the symbol of the ten elements has been taken from the Latin name.
Description : Which is the heaviest elemental gas ?
Last Answer : Radon is the heaviest elemental gas.
Description : Which elemental metal is liquid at normal temperature ?
Last Answer : Mercury is liquid at normal temperature.
Description : Which elemental non-metal is liquid at normal temperature ?
Last Answer : Bromine is liquid at normal temperature.
Last Answer : Bromine is a basic non-metallic liquid at normal temperatures.
Description : Assertion: Reaction of `SO_(2)` and `H_(2)S` in the presence of `Fe_(2)O_(3)` catalyst gives elemental sulphur. Reason: `SO_(2)` is a reducing agent.
Last Answer : Assertion: Reaction of `SO_(2)` and `H_(2)S` in the presence of `Fe_(2)O_(3)` catalyst gives ... is False. D. If both Assertion & Reason are False.
Description : How many electrons are in an atom of elemental sodium equal to?
Last Answer : The number of electrons in a neutral atom is equal to the atomic number; sodium has 11 electrons. The number of protons is the same.
Description : How many electrons are in an atom of elemental sodium?
Last Answer : The neutral atom of sodium has 11 electrons.
Description : When an elemental metal combines with an elemental nonmetal it forms a A covalent compound B binary ionic compound C double salt D polar covalent compound?
Last Answer : Ghh
Description : Sulphur can be utilized by bacteria in the form of a. Organic compounds b. Inorganic compounds c. Elemental compounds d. All of the above
Last Answer : Ans: A
Description : (2) it is lighter than air Explanation: Helium is the second lightest element and is the second most abundant element in the observable universe, being present at about 24% of the total elemental mass ... elements combined. A well-known but minor use is as a lifting gas in balloons and airships
Last Answer : Ammonial is a mixture of – (1) aluminium powder and ammonium nitrate (2) aluminium powder and ammonium chloride (3) aluminium powder and ammonium sulphate (4) aluminium powder and potassium nitrate
Description : What is the oxidation number of an atom in the elemental state?
Last Answer : Ans.zero
Description : Which of the following is not an example of elemental solid dielectric? a) Diamond b) Sulphur c) Silicon d) Germanium
Last Answer : c) Silicon
Description : Fusion zone in the electric furnace used for reduction of phosphate rock to elemental phosphorous is maintained at __________ °C. (A) 250-300 (B) 500-750 (C) 950-1050 (D) 1400-1450
Last Answer : (D) 1400-1450
Description : Yield of elemental phosphorous from rock phosphate is about __________ percent. (A) 1-2 (B) 15-25 (C) 40-45 (D) 60-65
Last Answer : (B) 15-25
Description : The catalyst used in the production of elemental sulphur from H2S (by oxidation-reduction) is (A) Alumina (B) Silica gel (C) Platinum (D) Nickel
Last Answer : (A) Alumina
Description : In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed: (A) Furnace → converter → absorber (B) Furnace → evaporator → absorber (C) Furnace → converter → evaporator (D) Converter → furnace → absorber
Last Answer : (A) Furnace → converter → absorber
Description : Pick up the incorrect statement from the following. The intensity of horizontal shear stress at the elemental part of a beam section, is directly proportional to (A) Shear force (B) Area of the section ... . of the area from its neutral axis (D) Moment of the beam section about its neutral axis
Last Answer : Answer: Option D
Description : _________ is the grand total of all energies inside a substance. a. Internal Energy b. Grand Energy c. Atomic Energy d. Elemental Energy
Last Answer : Internal Energy
Description : The ICH guidelines which deal with Impurities: Guidelines for Elemental Impurities are A. ICH Q3A B. ICH Q3B C. ICH Q3C D. ICH Q3D
Last Answer : D. ICH Q3D
Description : The daily dose of elemental iron for maximal haemopoietic response in an anaemic adult is: A. 30 mg B. 100 mg C. 200 mg D. 500 mg
Last Answer : C. 200 mg
Description : he percentage of elemental iron in hydrated ferrous sulfate is: A. 5% B. 10% C. 20% D. 33%
Last Answer : C. 20%
Description : Name the person who developed a table of elements which revealed regularities in elemental properties?
Last Answer : ANSWER: DMITRI MENDELEEV
Description : Name the person who developed a table of elements which revealed regularities in elemental properties in 1869? w) Theodore Richards x) Antoine Lavoisier y) Dmitri Mendeleev z) Svante Arrhenius
Last Answer : ANSWER: Y -- DMITRI MENDELEEV