A microbial population is reduced from 1 × 10⁶ CFU/mL to 1 × 10³ CFU/mL after 9 minutes at 121°C. Assume first-order kinetics. What is the D-value (in minutes) at 121°C?

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#Question id: 20219

#XL - P Chemistry

Which of the following is the correct order for lone pair and bonding pair electrons ? Lp = Lone pair and Bp = Bonding pair

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#Question id: 20220

#XL - P Chemistry

Which theory is useful to determine geometrical structure of molecules ?

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#Question id: 20221

#XL - P Chemistry

The one outermost electron present in Na element at

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#Question id: 20222

#XL - P Chemistry

In which molecules / ion have not all the equal bonds ?

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#Question id: 20223

#XL - P Chemistry

Which of the following has maximum bond angle ?

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#Question id: 20224

#XL - P Chemistry

Which of the following have equal bond order ?