Description : Hygroscopic substances are those substance which ready absorb
Last Answer : Water Vapors
Description : (4) sodium chloride contains hygroscopic impurities like magnesium chloride Explanation: Table salt is refined salt, which contains about 97 to 99 percent sodium chloride. It usually contains substances that ... of salt it become wet in rainy season as the salt absorbs moisture from environment.
Last Answer : Which of the following could be used as fuel in propellant or rockets? (1) Liquid Hydrogen + Liquid Nitrogen (2) Liquid Oxygen + Liquid Argon (3) Liquid Nitrogen + Liquid Oxygen (4) Liquid Hydrogen + Liquid Oxygen
Description : Which one of the following best defines the word allotropes ? A Different structural forms of an element B A pair of substances that differ by H+ C Elements that possess properties intermediate between ... a specific number of neutrons E The different phases (solid, liquid or gas) of a substance
Last Answer : A Different structural forms of an element
Description : What Substances that absorb light convert it to .?
Last Answer : Optically active
Description : What Substances that absorb light convert it to what energy?
Description : The property of a substance to absorb moisture from the air on exposure is called------? A. osmosis B. deliquescence (Answer) C. efflorescence D. desiccation
Last Answer : B. deliquescence (Answer)
Description : People living at sea level have around 5 million RBC per cubic millimeter of their blood whereas those living at an altitude to 5400 metres have around 8 million. This is because at high altitude ... required amount of O2 to survive (d) there is more UV radiation which enhances RBC production.
Last Answer : (c) atmospheric O2 level is less and hence more RBCs are needed to absorb the required amount of O2 to survive
Description : Least hygroscopic fertilizer
Last Answer : Ans. DAP (18%N and 46%P2O5 )
Description : Charcoal is (a) Amorphous (b) Crystalline (c) Hygroscopic (d) None of these
Last Answer : Ans:(a)
Description : The soil water which is of the greatest importance to the plant life is– (1) Gravitational water (2) Capillary water (3) Hygroscopic water (4) Combined water
Last Answer : (2) Capillary water Explanation: Capillarity is the primary force that enables the soil to retain water, as well as to regulate its movement. The phenomenon of capillarity also occurs in the soil. In ... is of no use to plants because it occupies the larger pores. It reduces aeration in the soil.
Description : (1) aluminium powder and ammonium nitrate Explanation: Ammonal is an explosive made up of ammonium nitrate and aluminium powder. The ammonium nitrate functions as an oxidizer and the aluminium ... a fairly substantial shock, though it is still more sensitive than trinitrotoluene and composition C4.
Last Answer : Gelatin is mostly used in making icecreams in order to - (1) prevent making a colloid (2) stabilise the colloid and prevent crystallisation (3) stabilise mixture (4) enrich the aroma
Description : All moisture in a non-hygroscopic material is the __________ moisture. (A) Free (B) Equilibrium (C) Unbound (D) Bound
Last Answer : (C) Unbound
Description : In soil, the water available for root absorption is (a) gravitational water (b) capillary water (c) hygroscopic water (d) combined water
Last Answer : (b) capillary water
Description : In soil, water available for plants is (a) gravitational water (b) chemically bound water (c) capillary water (d) hygroscopic water.
Last Answer : (c) capillary water
Description : Peat moss is used as a packing material for sending flowers and live plants to distant places because (a) it serves as a disinfectant (b) it is easily available (c) it is hygroscopic (d) it reduces transpiration.
Last Answer : b) it is easily available
Description : Soil water which moves mostly in Vapour form is — a. Field capacity water b. Capillary water c. Gravitational water d. Hygroscopic water
Last Answer : d. Hygroscopic water
Description : Which water is available to plant ? a. Gravitational b. Capillary c. Hygroscopic d. None of these
Last Answer : b. Capillary
Description : Nitro-phosphate (manufactured at Trombay-India) is a __________ fertiliser. (A) Mixed (B) Complex (C) Highly hygroscopic (D) Highly explosive
Last Answer : (B) Complex
Description : Pick out the wrong statement. (A) Yellow phosphorous which is the most reactive allotropic form of phosphorous is transported under water (B) Apatite is the principal material present in ... fixation means the process of bringing atmospheric nitrogen into combination i.e. into nitrogen compound fo
Last Answer : (C) Urea is more hygroscopic than ammonium nitrate
Description : Ammonium nitrate (is mixed with limestone) is not used as fertiliser as such, because (A) It is hygroscopic and explosive in nature (B) It is highly acidic in nature (C) It is a liquid at room temperature (D) Its nitrogen content is very less
Last Answer : (A) It is hygroscopic and explosive in nature
Description : mmonium nitrate is (A) Having about 40% N2 (B) Not hygroscopic (C) Not prone to explosive thermal decomposition (D) Mixed with limestone powder to reduce its explosive nature before using it as a fertilizer
Last Answer : (D) Mixed with limestone powder to reduce its explosive nature before using it as a fertilizer
Description : DDT should not be allowed to come in contact with iron (during itsmanufacture) to (A) Avoid its decomposition (B) Prevent sulphonation of the monochlorobenzene by the acid catalyst (C) Achieve non-hygroscopic property (D) None of thes
Last Answer : (A) Avoid its decomposition
Description : Pick out the wrong statement. (A) Low intensity explosives are also called propellants, whereas high intensity explosive are called detonators (B) Gun powder comprises of 75% salt petre, 15% charcoal ... TNT is a hygroscopic explosive having very high melting point and is non-toxic to human being
Last Answer : (D) TNT is a hygroscopic explosive having very high melting point and is non-toxic to human being
Description : Pick up the correct statement from the following: (A) The portion of pellicular water which remains unutilised, is called hygroscopic water (B) The moisture content at which permanent wilting of plants ... point (C) The moisture deficiency will be different at different points (D) All the above
Last Answer : Answer: Option D
Description : The disadvantage with paper as insulating material is (a) it is hygroscopic (6) it has high capacitance (c) it is an organic material (d) none of the above
Last Answer : (a) it is hygroscopic
Description : In capacitance grading of cables we use a ______ dielectric. (a) composite (b) porous (c) homogeneous (d) hygroscopic
Last Answer : (a) composite
Description : The insulating material for cables should (a) be acid proof (b) be non-inflammable (c) be non-hygroscopic (d) have all above properties
Last Answer : (d) have all above properties
Description : Paper is hygroscopic and absorbent. (A) True (B) False
Last Answer : (A) True
Description : Find the odd option out a. Hygroscopic water b. Capillary water c. Gravitational water d. Lake water
Last Answer : d. Lake water
Description : Which of the following terms means that a crystal has the ability to capture and hold water molecules? w) hydroponic x) hygroscopic y) hydrophobic z) hydropholectic
Last Answer : ANSWER: X -- HYGROSCOPIC
Description : Between the layers of phospholipids in a cell membrane, there is an area that is: a) hydrophobic (pron: high-dro-fo-bick) b) hydrophillic (pron: high-dro-fill-ick) c) hygroscopic (pron: high-grow-scop-ick) d) hygrolipic (pron: high-grow-lip-ick)
Last Answer : ANSWER: A -- HYDROPHOBIC
Description : Table salt gets moist during rainy season because (1) sodium chloride is hygroscopic (2) sodium chloride is deliquescent (3) sodium chloride contains some quantity of sodium iodide (4) sodium chloride contains hygroscopic impurities like magnesium chloride
Last Answer : sodium chloride contains hygroscopic impurities like magnesium chloride
Description : The soil water which is of the greatest importance to the plant life is (1) Gravitational water (2) Capillary water (3) Hygroscopic water (4) Combined water
Last Answer : Capillary water
Description : Two substances, A and B were made to react to form a third substance, A2B according to the following reaction 2A + B → A2 B. Which of the following statements concerning this reaction are incorrect? -Chemistry 9th
Last Answer : (c) (i), (iii), (iv) Consider the example of H2O
Description : what All substances have characteristic properties. If one of these properties can be observed without changing the identity of the substance, it must be A. universal property. B. physical property. C. biological property. D. chemical property.?
Last Answer : B: Physical Property
Description : What is the ability a substance to change and form one or more new substances?
Last Answer : Need answer
Description : What is two or more substances that are together but do not combine to form a new pure substance?
Last Answer : What is the answer ?
Description : What is the hormone like substance Give me the list of these substances?
Last Answer : An example of hormone is cortisol; the list of hormones is very long.
Description : In animals that do not present the circulatory system the transport of substances occurs by cell to cell diffusion. The blood is a fundamental means of substance transport for larger animals ... there are tissues distant from each other and from the environment thus making diffusion impossible.
Last Answer : What are the two types of circulatory systems?
Description : (1) a homogeneous mixture of two or more substances Explanation: A homogeneous mixture of two or more substances uniformly dispersed throughout a single phase is called solution. In such a mixture, a ... the solvent including its phase, and the solvent is commonly the major fraction of the mixture.
Last Answer : Choose the incorrect statement pertaining to organic compounds - (1) They have low melting and boiling points (2) They do not dissolve in water (3) They are not easily combustible (4) They contain mainly carbon and hydrogen
Description : Two substances are in equilibrium in a reversible chemical reaction. If the concentration of each substance is doubled, then the value of the equilibrium constant will be (A) Same (B) Doubled (C) Halved (D) One fourth of its original value
Last Answer : (A) Same
Description : "The rate at which a substance reacts is proportional to its active mass and the rate of a chemical reaction is proportional to the product of active masses of the reacting substances". This is the (A) Lewis- ... (B) Statement of Van't Hoff Equation (C) Le-Chatelier's principle (D) None of these
Last Answer : (D) None of these
Description : In the method of condensation polymerization, (A) Low-molecular substances are removed from the high molecular substance (B) The reaction proceeds with an evolution of ammonia (C) The reaction proceeds with an evolution of hydrogen chloride (D) All of the above
Description : .In functional allelopathy a). Toxic substances are released as such from the plants b). A precursor is released and is converted into active substances by some microorganisms c). No release of any toxic substance d). release of nitrogen from nodule of legume takes place
Last Answer : b). A precursor is released and is converted into active substances by some microorganisms
Description : Name the gelatin-like substance which is prepared fro various species of red algae growing in Asiatic waters. The prepared product appears in the form of cakes, coarse granules, long ... or in combination with various nutritive substances, as a medium for culturing bacteria and various fungi
Last Answer : ANSWER: Agar-agar or just Agar
Description : $ Enzymes are special types of proteins. ! Those substances which interfere with the action of enzymes are called inhibitors.
Last Answer : $ Enzymes are special types of proteins. ! Those substances which interfere with the action of enzymes are ... wrong D. If both As and R are wrong.
Description : Super conductors are those substances, which (A) Offer no resistance to current flow (B) Conduct electricity at low temperature (C) Offer high resistance to current flow (D) Conduct electricity at high temperature
Last Answer : (A) Offer no resistance to current flow
Description : Those substances which have so far not been resolved by any means into other substances of simpler form are called A. elements B. compounds C. atoms D. molecules
Last Answer : Answer: A
Description : If you had thoughts that you are ready to die or if you die at that moment for whatever reason it’s fine with you, what were those thoughts?
Last Answer : I would be upset that I never amounted to anything.
Description : Entry criteria' should address questions such as I. Are the necessary documentation, design and requirements information available that will allow testers to operate the system and judge correct behavior. II. Is the test environment-lab, ... B. I, II and III C. I, II, III and IV D. II, III and IV.
Last Answer : A. I and II only