Practice Chemistry GS Questions and Answers

• The anode in a dry cell consists of:
• If water smells bad, then that odor can be removed by adding:
• Which bond is weakest in nature?
• What is the chemical name for baking soda?
• NaCl has which kind of bonds?
• Which chemical is used to generate light to weld metals?
• Ethane gas has a slightly _____ taste.
• Turquoise is an ore/mineral of:
• The process of gaining electrons is known as:
• What does trypsin do?
• During which operating conditions of an automobile is carbon monoxide content in exhaust gas maximum?
• What is the viscosity of an ideal fluid?
• The most abundant metal in the Earth's crust is:
• Name the source from which aspirin is produced?
• What is heavy water?
• In a compound, the elements are always present in definite proportions by:
• What is the nature of the pH of milk?
• Which is the best fire-extinguisher?
• Marble is a metamorphic rock of:
• Which chemical is also known as carbolic acid?
• What is dehydration? 
• Naphthalene balls, commonly used as a pest repellent, are derived from which source?
• Compressed natural gas (CNG) primarily consists of which gas?
• What is the chemical name of baking soda?
• Which dating method is commonly used to determine the age of materials from prehistoric times?
• Which of the following substances is classified as a carbohydrate?
• Which of the following is an example of a heterogeneous mixture?
• Which polymer is formed by the copolymerization of phenol and formaldehyde?
• Who proposed the 'Law of Octaves' in the periodic classification of elements?
• In which form is iron ore primarily found in nature?
• Why is commercial nitric acid typically yellow or brown in color?
• Which gas is commonly used to artificially ripen green fruits?
• Which gas is added under pressure to make soft drinks fizzy?
• Which of the following substances will turn red litmus paper blue?
• What is the simplest hydrocarbon?
• Which particle is associated with Bose-Einstein Condensate?
• Which of the following fibers will melt when heated?
• Which chemical compound is commonly known as Pearl Ash?
• Which gas is used to convert vegetable oils into solid fats?
• Which acid is present in grapes?