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Which of the following options are correct? 1. Three carbon atom is indicated by 'prop'. 2. Four carbon atom is indicated by 'but'. 3. Seven carbon atom is indicated by 'Hex'. 4. Nine carbon atom is indicated by 'Non'.
The Taxi charges in a city consist of a fixed charge together with the charge for the distance covered. For a distance of 7 km, the charge is Rs. 27 and for a distance of 5 km, the charge is Rs. 21. What is the charge per km?
An atom of sodium loses one electron and chlorine atom accepts one electron. This result the formation of sodium chloride molecule. This type of molecule will be
Consider the following statements: 1. A water molecule is formed when two atoms of hydrogen bond covalently with an atom of oxygen. 2. The oxygen atom attracts the electrons more strongly than the hydrogen, this gives water an asymmetrical distribution of charge. 3. Molecules that have ended with partial negative and positive charges are known as polar molecules.  Which of the above statement is/are correct?
Which among the following are properties of charge? (a) Charge is additive. (b) Charge is quantized. (c)  Charge is conserved. 
According to Thomson's model of an atom: 1. An atom consists of a positively charged sphere and the electrons are embedded in it. 2. The negative and positive charges are not always equal in magnitude. So, the atom as a whole is not always electrically neutral. Choose the correct code:  
Consider the following statements regarding Hydrogen and Atom Bombs:  The energy released in a Hydrogen bomb is several magnitudes higher than an Atom bomb. A Hydrogen bomb derives its energy through the fission of atoms while an atom bomb derives its energy from fusion. Which of the statements given above is/are correct?
In a crystal, there exist a point defect of the interstitial atom. If solute atom is larger than the solvent atom, then which is true for the edge dislocation?
If in a crystal there exist a point defect of the interstitial atom and if solute atom smaller than the solvent atom, then which is true for the edge dislocation?
Which of the following statements regarding an atom are correct? 1) If two atoms with similar ionization potential form a bond, then this bond will most probably be either covalent or metallic. 2) When atoms with different ionization potentials form a bond, the bond will be mainly ionic. 3) If the atom or molecule already has its outer shells completely full, then the bonding between the atoms or molecules will be a secondary bond when it solidifies.