Practice Atomic Structure Questions and Answers

• Milk tastes sour when kept in the open for sometimes due to the formation of-
• The gas used for filling weather  balloons is-
• Which one amongst the following is  not a Green House gas?
• Which of the following is a physical change?
• The pH of a neutral solution is —
• Bronze is an alloy of-
• The most reactive among the halogens is-
• The fuel that is used in modern  submarines is -
• The nucleus of an atom consists of-
• ______is the process in which acids and bases react to form salts and water
• The element used in the manufacture  of safety matches is —
• The noble gas used in radiotherapy is
• The important ore of aluminium is-
•  Alum stops bleeding in minor cuts because of
• Formation of ozone hole is maximum over
• The element used for making solar cells is
• An electric iron has a heating element made of:
• The major constituent of air is
• Which metal is extracted from seawater?
• A polymeric substance used to make parachute is
• One of the constituents of tear gas is
• The gas usually causing explosions in coal mines is-
• The acid used in lead storage cells is-
• Milk tastes sour when kept in the open for sometimes due to the formation of-
• Petroleum is a mixture of-
• The gas used for filling weather balloons is-
• Which one amongst the following is not a Green House gas?
• Which of the following is a physical change?
• The pH of a neutral solution is — 
• The major component of honey is-
• Manganite is an ore/mineral of
• The most reactive among the halogens is-
• The fuel that is used in modern submarines is -
• The nucleus of an atom consists of-
• The chemical name of'Common salt’
• _________is the process in which acids and bases react to form salts and water.
• The element used in the manufacture of safety matches is —
• The noble gas used in radiotherapy is
• The important ore of aluminium is-
• The absolute value of the charge on electron was determined by-