Practice Chemistry Questions and Answers

• Which of the following is used in alcoholic drinks?
• What is the atomicity of Helium?
• Atomic number of an element is equal to the number of ____ in the nucleus.
• Which of the following metals is the lightest in the periodic table of elements?
• Which of the following is NOT a base?
• Which of the following component imparts green colour to leaves?
• What is the chemical formula of bleaching powder?
• Which material is used as a moderator in a nuclear power plant that slows down the neutrons and makes them fit for causing fission?
• Which of the following reactions is commonly used in the hydrogenation of vegetable oils using a nickel catalyst?
• The Biuret test is used to detect the presence of which substance?
• Which of the following is NOT a property of acids?
• Which is the third lightest halogen?
• How many protons are present in the nucleus of an oxygen atom?
• What is the common name of the compound with the formula C6H5NH2?
• The rate of evaporation increases with ______.
• Which material is commonly used for making casts and sculptures?
• Which fuel has the highest calorific value?
• Who discovered the atomic nucleus?
• What is the chemical name of bleaching powder?
• Which polymer is primarily used in making pipes and cable coatings?
• Which type of hydrogen is produced from fossil fuels without capturing the resultant carbon emissions?
• What are Sodium benzoate and Sodium metabisulphite primarily used as?
• Which element is denoted by the atomic number 28?
• Which of the following statements about glucose is incorrect?
• Which of the following is the richest source of phosphorus?
• Which alkali metal is represented by the atomic number 3?
• Which chemical compound is commonly used in baking to provide more volume and a lighter texture to baked goods?
• How many carbon atoms are present in a molecule of glucose?
• Which gas is commonly used to fill balloons?
• What is the chemical name of Plaster of Paris?
• What type of glass is used in the manufacturing of cooking utensils?
• What is the chemical formula of Urea, the best nitrogenous fertilizer?
• Cinnabar is an ore of which metal?
• What process is used to create a protective oxide layer on aluminum?
• What is the nature of the reaction when an acid or a base is dissolved in water?
• Hydrogen exhibits properties similar to which groups in the periodic table?
• Which noble gas is utilized in radiotherapy?
• Which alloy is formed by mixing iron with carbon, nickel, and zinc?
• How many oxygen atoms are present in a molecule of Aluminum sulfate, Al₂(SO4₄)₃ ?
• Which gas has the highest solubility in water?