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Q97) Which of the element have highest melting point/




SOLUTION


Answer: (a)


Q98) Which of the following statement is not correct? Boron differs from the other members of the group because..




SOLUTION

Maximum covalency of boron is 4
Answer: (c)


Q99) The bond angle Cl - B - Cl in BCl3 is



SOLUTION


Answer:(c)



Q100) Which of the following is used in high temperature thermometry?



SOLUTION

Ga remains in liquid state at temperature 2000° Other are solid at room temperature
Answer: (b)


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