What is the pH of a mixture of 0.042 M NaH2PO4 and 0.058 M Na2HPO4? If 1.0 mL of 10.0 M NaOH is added to a liter of the buffer prepared, how much will the pH change? (pKa = 6.86)

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#Question id: 18522

#XL - R Botany

Atropine used at the time of eye testing is obtained from the leaves of

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#Question id: 34076

#XL - S Microbiology

Which of the following are methods used to obtain a pure culture in microbiology?

A. Streak plate method

B. Pour plate method

C. Spread plate method

D. Roll-tube method

E. Enrichment culture

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#Question id: 20055

#XL - P Chemistry

Lattice energy of ionic compound depends upon which factor ?

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#Question id: 551

#XL - R Botany

Enzymes differ from other catalysts in that only enzymes:

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#Question id: 15521

#XL - S Microbiology

Rearrangement of the β, γ, and δ loci begins during the