Explanation

• The statement that is not true about the precision of data is: "It is the difference between the obtained value and the true value."

Explanation

• The given reaction (CH4 + Cl2 → CH3Cl + HCL) is an example of a free radical substitution reaction.
• Free radical reactions typically exhibit a constant rate over time, regardless of the concentration of the reactants.
• Therefore, the order of this reaction is Zero order.
  

Explanation

• If urea reacts with ammonia according to the Lowry and Bronsted theory, it acts as an acid to form a neutral compound.
• In the reaction between urea (H₂NCONH₂) and ammonia (NH₃), urea donates a proton (H⁺) to ammonia, turning it into the ammonium ion (NH₄⁺) and urea into its conjugate acid (HNCONH₂⁺).

Explanation

Magnetic susceptibility (χ) is indeed measured:

Explanation

Histamine is produced in the body primarily through the decarboxylation of the amino acid histidine.

Explanation

The word or phrase closest in meaning to the opposite of "harmony" is "discord."

Explanation

When a chemical cell's voltage drops to zero, it typically indicates that the cell reaction has reached equilibrium.