Description : Is the amount of a substance that contains Avogadro’s number of atoms/molecules. a. mass b. matter c. gram-mole d. volume
Last Answer : gram-mole
Description : A substance contains: (a) Only positive charge (b) Only negative charge (c) Both +ve and −ve charge (d) None of above
Last Answer : (c) Both +ve and −ve charge
Description : Activated charcoal is employed to remove colouring matter from pure substance, it work? -Do You Know?
Last Answer : answer:
Description : A substance in the blood tending to neutralize matter that is harmful -Do You Know?
Last Answer : ANTIBODY is the Answer
Last Answer : More than solids
Description : If a substance is kept at atmospheric pressure what is its phase of matter completely depend on?
Last Answer : Need answer
Description : What substance does matter have?
Last Answer : What is the amount of matter something has
Description : Why the density of a substance is considered to be a unique property of matter?
Last Answer : Each substance has a specific density.
Description : Density is a measurable property of matter. How can the density of a substance be determined?
Last Answer : He
Description : Activated charcoal is employed to remove colouring matter from pure substance, it work?
Last Answer : Adsorption
Description : Mark the correct option a) Documents means any matter expressed or described upon any substance b means of letter, figures or marks. b) Words printed, lithographed or photographed are documents c) A ... d) An inscription on a metal plate or stone and caricature are documents. e) All the above
Last Answer : e) All the above
Description : Fussain (A) Is friable, charcoal like substance (B) Has highest fixed carbon and lowest volatile matter content of all the four banded components of coal (C) Is non-coking, but when blended with highly coking ... its swelling and produces high strength coke on carbonisation (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : The temperature and pressure at which a substance can exist in all three phases of matter simultaneously is called what?
Last Answer : ANSWER: TRIPLE POINT
Description : which. orange juice is a solution that contains citric acid, which gives orange juice an approximate pH of 3.5. Which substance is more acidic than orange juice?
Last Answer : battery acid with a pH of 0.8
Description : The substance that contains the maximum amount of nitrogen is (a) urea (b) ammonium sulphate (c) ammonium nitrate (d) ammonium chloride
Last Answer : Ans:(a)
Description : The substance contains in the capsule which is given to the people in the nuclear dis- aster affected area
Last Answer : Potassium Iodide
Description : Asbestos (A) Is a natural fibrous mineral substance (B) Is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3) (C) Contains iron oxide and alumina (D) All the above
Last Answer : Answer: Option D
Description : What% of Organic Matter Contains Living Bone Cells ?
Last Answer : Living bone marrow contains 40% organic matter.
Description : Assertion : BOD of river polluted by sewage is more than 20 ppm. Reason: Polluted river contains excess of organic matter.
Last Answer : Assertion : BOD of river polluted by sewage is more than 20 ppm. Reason: Polluted river contains excess ... true but reason is wrong D. Both are wrong
Description : Find out the correct sentene about manure (i) Manure contains large quantites of organic matter and small quantites of nutrients. (ii) It increases th
Last Answer : Find out the correct sentene about manure (i) Manure contains large quantites of organic matter and small quantites ... and (iii) D. (iii) and (iv)
Description : Guano, the fecal matter of birds contains
Last Answer : Guano, the fecal matter of birds contains A. Insoluble crystals of uric acid B. Insoluble crystals of urates C. Both (1) and (2) D. Urea
Description : Sweat contains (a) pure water (b) water, salt and waste matter (c) phosphoric acid (d) calcium phosphate and water
Last Answer : Ans:(b)
Description : Haemoglobin is 1. The colouring matter of leaves of plants 2. The colouring matter of blood 3. A compound that is highly coloured 4. A compound that contains iron The correct answers are: (a) 1, 2 and 4 (b) 2, 3 and 4 (c) 1, 2, 3 and 4 (d) 1, 2 and 3
Description : he soil which is found in the areas having heavy rainfall and high humidity, contains large quantity of organic matter and heavy and black in colour – a. Black soil b. Peat soil c. Forest soil d. Laterite soil
Last Answer : b. Peat soil
Description : Anthracite coal (A) Contains more volatile matter than bituminous coal (B) Ignites more easily than bituminous coal (C) Is essentially a coking coal (D) Burns with short, bluish, yellow-tipped flame producing very little smoke
Last Answer : (D) Burns with short, bluish, yellow-tipped flame producing very little smoke
Description : Coke compared to the coal from which it has been made, contains (A) Less volatile matter (B) More carbon (C) Greater percentage of ash (D) All (A), (B) and (C)
Description : Low temperature oxidation and spontaneous combustion of freshly mined coal is accentuated, if (A) It contains large amount of volatile matter (B) It is stored in tall heaps (C) Smaller fines are stored in large quantity (D) All (A), (B) and (C)
Description : The soil contains —- % organic matter a. 25 b. 58 c. 5 d. 65
Last Answer : c. 5
Description : Which of the following factors have an impact on the google pagerank? A. The Total Number Of Inbound Links To A Page Of A Web Site B.The Text Used To Describe The Inbound Link To A Page Of ... D.The Number Of Outbound Links On The Page That Contains The Inbound Link To A Page Of A Web Site
Last Answer : A. The Total Number Of Inbound Links To A Page Of A Web Site
Description : Which of the following factors are responsible for leaving an impact on the Google PageRank? a. The text depicting inbound links to a page of a website. b. A total number of inbound links to a ... The number of outbound links on the page that contains the inbound link to a page of a website.
Last Answer : b. A total number of inbound links to a website's page
Description : Which of the following factors have an impact on the Google PageRank? A. The text used to describe the inbound link to a page of a web site B. The total number of inbound links to a page of a ... D. The number of outbound links on the page that contains the inbound link to a page of a web site
Last Answer : B. The total number of inbound links to a page of a web site
Description : Disappearance of pink colour of water of a well due of KMnO4 indicates that water contains (A) Acidity (B) Alkalinity (C) Turbidity (D) Organic matter
Last Answer : (D) Organic matter
Description : Specific weight of sea water is more that of pure water because it contains (A) Dissolved air (B) Dissolved salt (C) Suspended matter (D) All of the above