Chemistry Test 1 Please don't use any search browser to find the answer. Just do it yourself so you can measure your knowledge power. Best of Luck! Please! Enter Password 1 / 50 Find PH of 0.001m of HCL: 4 2 3 8 2 / 50 On electrolysis of NaOH, hydrogen is liberated none of them in the electrolyte At anode At cathode 3 / 50 Carbon atoms of diamond are: Not hybridized sp1 hybridized sp3 hybridized sp2 hybridized 4 / 50 What is the pH of a solution with 0.0001 M HCl? 4 0 3 7 5 / 50 How many types of amino acids form the proteins in the body? 30 60 20 10 6 / 50 Neutron was discovered by Chadwick in: 1987 1935 1932 1923 7 / 50 Molarity of 10g of NAOH is...... 0 2.43 7.32 1.25 8 / 50 “s” and “p” block elements are also called Typical elements Transition elements Rare earth elements Inert elements 9 / 50 How many structural isomers are present for trichloro propane C3H5Cl3. 0 3 5 8 10 / 50 Which of the following elements react with steam to produce H2 gas? Ni Pd Sn All of the above 11 / 50 Brine is used for industrial production of HCL NHO KCL NaOH 12 / 50 Mark the correct statement: Na+ is smaller than Na atom Na+ is larger than Na atom CI- is smaller than CI atom CI- and CI are equal in size 13 / 50 Dipole moment of CO2 is...... 0 2 4 7 14 / 50 Which of the following is soft Coal? Anthracite Lignite Bituminous Peat 15 / 50 MASS of sulpher is....... 92g 72g 32g 23g 16 / 50 Which halogen has the smallest electron affinity? F I Br Cl 17 / 50 Industrial waste water contains: All of these Pathogens Inorganic salts & organic compounds Occluded & dissolved gases 18 / 50 Which of the species is not paramagnetic? Ne²+ Be+ As+ Cl- 19 / 50 Find the temperature at which the rate of effusion of N₂ is 1.625 times to that of SO₂ at 500°C 620°C 690°C 820°C 520°C 20 / 50 The ratio of the water molecule in plaster of Paris and gypsum is 1:8 1:6 1:4 1:9 21 / 50 which of the following element have unpaired electrons in s subshell Mn Cr Co Fe 22 / 50 Number of free electrons in nickel Ni2+ 8 8 3 2 23 / 50 The mass of one mole of electron is 0.184 mg 1.008 mg 0.54 mg 0.054 mg 24 / 50 Structural formula of cycloalkane is..... CnHn Cn2H5n C8n6Hn8 CnH2n 25 / 50 Which of the following enzymes converts maltose to glucose? Lactase Zymase Maltase Diastase 26 / 50 Presence of heavy metals in water causes Cancer Mental retardation All of these Nervous disorder 27 / 50 Which of the following is the best option for disinfecting your slab? Vinegar (Acetic acid) Bleach (Sodium hypochlorite) Phenols Sulphur 28 / 50 Which of the following is more acidic in nature? Phenol Cresol Benzene p-nitrobenzene 29 / 50 At equilibrium, the amount of product and reactant becomes........ increase 2 time EQUAL NOT EQUAL Increase 4 time 30 / 50 Which of the following elements has the highest electronegativity? Chlorine (Cl) Oxygen (O) Fluorine (F) Nitrogen (N) 31 / 50 Benzene is good solvent for: Iodine Resins All Fats 32 / 50 Which of the following best describes the nature of ammonium chloride? Strong acid Neutral substance Weak acid Strong base 33 / 50 Ionization energy is lowest for Halogens Inert gases Alkali metals Alkaline earth metals 34 / 50 How many calories are in fat……………..? 8 6 4 9 35 / 50 The ionization energy of Hydrogen is ? 17.56ev 12.54ev 10.54ev 13.6ev 36 / 50 The whole universe is made up of almostHydrogen? 40% 60% 90% 70% 37 / 50 __________is study about energy of a chemical system None Biochemistry Organichemistry thermochemistry 38 / 50 Oxidation number of CARBON in GLUCOSE is....... 21 0 4 6 39 / 50 Which one of the following is an incorrect statement? The ionization potential of nitrogen is greater than that of chlorine The electron affinity of fluorine is greater than that of chlorine he ionization potential of beryllium is greater than that of boron The electronegativity of fluorine is greater than that of chlorine. 40 / 50 Which of the following is a mixture of low-boiling hydrocarbons? Ethanol Gasoline Propanoic acid Glycerol 41 / 50 According to molecular orbital theory, what is the bond order of Li2+? 1 5.5 0.5 5 42 / 50 Which carbohydrate is the least sweet? Starch Fructose Glucose Sucrose 43 / 50 In 32.5 g of CH4 the percentage of carbon is....... 74.87%. 84.87%. 77.87%. 54.87% 44 / 50 Which organic compound does not undergo the Cannizzaro reaction? Ketones Aromatic compounds Aldehydes α-Hydroxy aldehydes 45 / 50 Valency of carbon is: 2 8 6 4 46 / 50 The molarity of CH4 is...... 16.042g/mol 45.042g/mol 65.042g/mol 32.042g/mol 47 / 50 Oxidation state of sodium +1 +8 +4 +5 48 / 50 Seventh period consists of……………….normal elements? 3 2 4 8 49 / 50 Which organic compound does not undergo the Cannizzaro reaction? Aromatic compounds Ketones α-Hydroxy aldehydes Aldehydes 50 / 50 If absolute temperature of a gas is doubled and the pressure is reduced to one half the volume of gas will: increases four times decrease two times increases two times decrease four times Your score is 0% Restart quiz
