91) Quick lime + water—–>’X’
The chemical formula of the product ‘X’ is
The chemical formula of the product ‘X’ is
92) Which of the following is not a correct symbol, for expressing characteristics of substance in a chemical equation?
93) In the below equation, the values of ‘x’ and ‘y’ are:
C3H8 + ’x’O2 ‘y’ CO2 + 4H2O
C3H8 + ’x’O2 ‘y’ CO2 + 4H2O
94) Which one of the following is not a base?
95) When a metal carbonate reacts with acid, the products are
96) On mixing with water, plaster of paris turns into
97) Tooth decay starts when the ‘pH’ of the mouth is
98) ‘n’ and T values for the electron in ‘2p’ subshell are
99) Which element has the electronic configuration 1s2 2s22p63s23p5?
100) The maximum number of electrons in a subshell is given by
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