Practice Chemistry GS Questions and Answers

• Absolute alcohol is prepared from rectified spirit by using the following process :
• Which of the following elements is a member of the actinoid series?
• How many planets are terrestrial planets?
• Which metal remains liquid at room temperature?
• Aromatic hydrocarbons contain at least how many benzene rings in their molecules?
• The product of the equivalent weight and valency of an element equals its ______.
• Which substance is a multibranched polysaccharide of glucose used for energy storage in animals and fungi?
• What does Mohs scale measure?
• Which of the following is an example of a colloidal solution?
• How can a mixture of sand and salt be separated?
• The process of converting a solid directly into its vapor is called:
• What is the common characteristic of elements in the same group of the periodic table?
• What happens when one s orbital and one p orbital hybridize?
• The atomic bomb is based on which principle?
• Which is used to treat indigestion?
• What does a catalyst do in a reaction?
• Why do metals conduct electricity?
• On a clean glass plate, a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because:
• The (O-H) bond in CH3OH is which type of bond?
• Adding which substance gives a blue color to glass?
• Terylene is a condensation polymer of ethylene glycol and which acid?
• The conversion of hard water into soft water by boiling or adding calcium hydroxide is called:
• When cathode rays strike a target of high atomic weight, they give rise to:
• Biofertilizers convert nitrogen to:
• Which drug is used as an anti-inflammatory?
• In the periodic table of elements, what happens to the atomic radius as you move from left to right across a period?
• Which radioactive element is used in heart pacemakers?
• Acid rain is caused due to pollution of the atmosphere by:
• The common name of hydrogen peroxide is:
• Which element gives hardness to stainless steel?
• _____ are a group of chemicals that influence cell division and shoot formation.
• What is the name of the acid in an ant's sting?
• _____ is the movement of chemicals in the upper layers of soil into lower layers or into groundwater by being dissolved in water.
• _____ is used for making chemical apparatus like beakers, flasks, etc.
• The process of depositing a layer of any desired metal on another material by means of electricity is called:
• Which element is commonly used in nuclear reactors for producing electricity by nuclear fission?
• Which base is present in soap?
• Which gas is produced due to incomplete combustion of fuel?
• Magnesium oxide (MgO) + Water (H2O) = ?
• Anions are formed through which process?