Description : Molecular oxygen is said to be paramagnetic. This indicates that molecular oxygen: w) is a gas at room temperature x) forms molecules containing two oxygen atoms y) has an approximate molecular weight of 32 z) has unpaired electrons
Last Answer : ANSWER: Z -- HAS UNPAIRED ELECTRONS
Description : To be effective in ulcerative colitis, 5-aminosalicylic acid has to be given as: A. Acrylic polymer coated tablet which releases the drug only in the lower bowel B. A complex of two molecules joined together by azo bond C. A retention enema D. Any of the above ways
Last Answer : D. Any of the above ways
Description : What is made of different atoms joined together?
Last Answer : A compound is made of different elements.
Description : Which of the following statements is true about terpenes? (a) They are a class of lipids that can be isolated from plants. (b) They contain carbon atoms in multiples of five. (c) They are composed of isoprene units joined together in a head-to-tail fashion. (d) All of the above
Last Answer : All of the above
Description : What is true of saturated fatty acids They have the maximum number of hydrogen atoms. They are liquids at room temperature. They have longer molecules with a bent shape. They make up most vegetable fa?
Last Answer : What is the answer ?
Description : Three materials A, B and C of equal thickness and of thermal conductivity of 20, 40 & 60 kcal/hr. m. °C respectively are joined together. The temperature outside of A and C are 30°C and 100°C respectively. The interface ... C will be at a temperature of __________ °C. (A) 40 (B) 95 (C) 70 (D) 50
Last Answer : (C) 70
Description : What element is created when hydrogen atoms fuse together in the sun and core?
Last Answer : Helium.
Description : Which of the following statements is false about cellulose? (a) It is a polymer of glucose molecules joined in β-1,4 linkages. (b) It is a major component of cotton. (c) It is used in the manufacture of Dacron fibres. (d) It is used in the manufacture of Rayon fibres
Last Answer : It is used in the manufacture of Dacron fibres.
Description : The temporary effect in which there is a complete transfer of shared pair of `pi-` electrons to one of the atoms joined by a multiple bond on the dema
Last Answer : The temporary effect in which there is a complete transfer of shared pair of `pi-` ... effect C. hyperconjugation D. negative resonance effect
Description : Have two hurricanes ever joined together to form one hurricane?
Last Answer : GQ!!!!!!! I know Fabian and Isabel in 2003 were so close together that it probably seemed that they merged. But I think scientists say no, they can’t literally combine. Though that would make a badass movie if it involved a giant squid and/or Godzilla.
Description : In joints, the bones invovled are joined together with the help of cargtilages. The joint between the adjacent vertebrae in the vertebral column is of
Last Answer : In joints, the bones invovled are joined together with the help of cargtilages. The joint between ... pattern and it permits limited movements, is-
Description : Two halves of pelvic girdle are joined together by
Last Answer : Two halves of pelvic girdle are joined together by A. Pubic symphysis B. Ischiac symphysis C. Ischiopubic symphysis D. By fusion
Description : What consists of proteins joined together to create fiber like structures inside cells?
Last Answer : Need answer
Description : What is a series of rings joined together?
Last Answer : chain
Description : when monomers are joined together what do they form?
Last Answer : polymers
Description : On account of which one of the following reasons, we can say that Asia and Australia at one time were joined together? (a) Fossils of Marsupials are found in Asia (b) Culture of both places has ... Climate is quite similar (d) The big green fields found in Australia are very much like those in Asia
Last Answer : Ans: (a)
Description : The group of solar cells joined together in a definite pattern is called a – (1) Battery (2) Solar heater (3) Solar cooker (4) Solar cell panel
Last Answer : (4) Solar cell panel Explanation: A single solar cell can produce only a small amount of electricity. In those cases where more electrical power is needed, a large number of solar cells are joined ... a solar cell panel consists of a large number of solar cells joined together in a definite pattern.
Description : I have two bodies joined together as one. When standing still. I ran and ran. What am I?
Last Answer : Hourglass
Description : ferent grades are joined together by a (A) Compound curve (B) Transition curve (C) Reverse curve (D) Vertical curve
Last Answer : (D) Vertical curve
Description : Pick up the correct statement from the following: (A) The substance which consists of one primary chemical, is known as monomer (B) The polymer consists of thousands of monomers joined together (C) The polymer molecule is called macro-molecule (D) All the above
Last Answer : Answer: Option D
Description : 8 men and 4 women-together can complete a piece of work in 6 days. Work done by a man in one day is double the work done by a woman in one day. If 8 men and 4 women started working and after 2 days, 4 men ... more days will the work be completed? a) 7 days b) 6 days c) 5 days d) 8 days e) 4 days
Last Answer : 1 man = 2 women 8 men + 4 women = 20 women 2 day's work of 20 women = 20 × 6/1 = 20 × 2/x x =1/3 Remaining work = 1 – 1/3 = 2/3 Total number of females = 16 20 × 6/1 = 16 × x ÷2/ 3 x = 5 days Short Cut M1D1=M2D2+M3D3 10x6 =10x2 + 8 x 60-20= 8x x= 5 days Answer: c)
Description : Each antibody molecule is made up of how many PAIR of polypeptide chains, joined together by disulfide bonds. a) 1 b) 2 c) 3 d) 4
Last Answer : ANSWER: B -- 2
Description : The group of solar cells joined together in a definite pattern is called a (1) Battery (2) Solar heater (3) Solar cooker (4) Solar cell panel
Last Answer : Solar cell panel
Description : A gaseous organic compound that is best known for its use in preservative solutions has the chemical formula HCHO (read: H - C - H CHEM-92; Short Answer: Give me the name and atomic number ... element is a clear, odorless gas. This element is one of the essential ingredients in the burning process.
Last Answer : ANSWER: OXYGEN ATOMIC NUMBER = 8
Description : The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is?
Last Answer : 6.023 x 1019
Description : Rate of evaporation of petrol is greater than that of water at room temperature because: A. petrol molecules do not have any hydrogen bond (Answer) B. petrol is an organic compound C. water molecules have small size D. petrol molecules have greater size
Last Answer : A. petrol molecules do not have any hydrogen bond (Answer)
Description : The boiling point of normal paraffinic (pron: pair-ah-FIN-ik) hydrocarbons increases with the number of carbon atoms per molecule. What is the smallest number of carbon atoms a normal paraffinic ... and still be a liquid at room temperature (70-75 degrees Fahrenheit) and 1 atmosphere pressure.
Last Answer : ANSWER: FIVE
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 : Class 9th CBSE Chemistry CBQ'S (Case Base Study) Atoms and Molecules -Science
Last Answer : 1. A liquid compound X of molecular mass 18 u can be obtained from a number of natural sources. All the animals and plants need liquid X for their survival. When an electric current is passed through 200 grams of pure liquid X ... ------------------------------ More questions to be added shortly...
Description : The energy associated with the random motion of molecules or atoms within a substance is?
Last Answer : Thermal energy
Description : after atoms and molecules of gases and liquids are heated they move away from the heat . what takes their place?
Last Answer : ions
Description : In mitochondrial matrix complete oxidation of pyruvate takes place in which all the hydrogen atoms are removed, leaving three molecules of `CO_(2)`
Last Answer : In mitochondrial matrix complete oxidation of pyruvate takes place in which all the hydrogen atoms are removed, leaving three molecules of `CO_(2)`
Description : Ozone reacts with dry iodine to form an oxide having ____oxygen atoms in its molecules.
Last Answer : Ozone reacts with dry iodine to form an oxide having ____oxygen atoms in its molecules.
Description : In which of the following conversions all the three oxygen atoms of `O_(3)` molecules are utilised for oxidation: I. Ferrous oxide to ferric oxide II.
Last Answer : In which of the following conversions all the three oxygen atoms of `O_(3)` molecules are utilised for ... and IV only D. II, III and IV only
Description : How many atoms of aluminum sulfur and oxygen are in 3 molecules of aluminum sulfate?
Last Answer : 1 formula unit of aluminum sulfate has the formula Al2(SO4)3. Sothere are 2 atoms of aluminum, 3 atoms of sulfur and 12 atoms ofoxygen in 1 formula unit of aluminum sulfate. There are nomolecules of aluminum sulfate. They are called formula units.
Description : What is A repeating pattern of atoms ions or molecules in a mineral called?
Last Answer : crystalline structure
Description : What are substances that are extended structures made up of billions of tightly packed atoms and molecules?
Description : What holds combinations of atoms togather in molecules?
Description : How many atoms of chlorine are present in 1.70×10^23 molecules Cl2?
Last Answer : The reason for this is that one molecule of Cl2 will have 2 atoms of Cl, joined together by a bond. This means that since 1 mole is 6.022 e23 times 2 atoms/molecule =1.204 e24 Cl atoms.
Description : How many atoms of chlorine are present in 1.70×1023 molecules Cl2?
Last Answer : Chemistry
Description : What is the logical order in which the concepts of atoms, molecules, cells... up to biosphere are associated?
Last Answer : Atoms form molecules that form cells that form tissues that form organs that form systems. Systems, in their turn, constitute individuals that form populations that compound (biological) communities that form the biotic components of ecosystems. All ecosystems of earth form the biosphere.
Description : The number of atoms present in 21.6 gram of silver (atomic weight = 108) are same as the molecules in?
Last Answer : 12 moles of KMn0O4
Description : Which of the following contributes to the broadening of laser emission bandwidth? a. Doppler shift of moving atoms and molecules b. Amplification within the laser medium c. Coherence of the laser light d. Optical pumping of the laser transition
Last Answer : a. Doppler shift of moving atoms and molecules
Description : With increase in the number of carbon and hydrogen atoms in hydrocarbon molecules, the density of petroleum products (A) Decreases (B) Increases (C) Remain same (D) Unpredictable from the data
Last Answer : (B) Increases
Description : What would happen if dipole develops momentarily in atoms and non polar molecules which are electrically symmetrical?
Last Answer : Ans. London forces or dispersion forces are developed.
Description : Which type of intermolecular forces exists among the following molecules? (a) H2S molecules (b) H2O (c) Cl2 and CCl4 (d) SiH4 (e) Helium (f) He atoms and HCl molecules
Last Answer : Ans. (a) Dipole-Dipole interactions. (b)H-Bond. (c)Dispersion forces. (d)Dispersion forces. (e)Dispersion forces. (f)Induced dipole-dipole interactions.
Description : Elements are made of -----? A. Atoms (Answer) B. Molecules C. H2O D. Compounds
Last Answer : A. Atoms (Answer)
Description : Which option is correct about the levels of organization: D A. Molecules - atoms -cellstissues -organs-body-organismpopulation - community - ecosystem B. Atoms -molecules ... C. Molecules-Atoms-cells-organs-tissues-body-organismD. Atoms-molecules-cells-tissues-organs-body-organism
Last Answer : Atoms-molecules-cells-tissues-organs-body-organism