The grains of sedimentary rock a. are cemented together c. are often displayed in more than one size b. form an interlocking texture d. are usually large

The grains of sedimentary rock are cemented together and form an interlocking texture.

Explanation:

The sedimentary rocks are formed by deposition of minerals from the ocean or sea waters lashed to the land shore. The deposition of minerals for a long time followed by cementation of them by the grains lead to the formation of sedimentary rocks.

The grains of the sedimentary rocks are very small in size and they are cemented together. The grains are present in the matrix of cement while the pores of the matrix are filled with grains of minerals like an interlocking texture.

answer: -

reaction:

na + cl ⇌ nacl

balanced chemical equation:

na + 2cl ⇌ nacl2

sodium + clorine goes to form sodium chloride (table salt).

the product is nacl2.

and the reactants are na and cl.

(note: if you don’t know what ⇌ means, read below: -

⇌(double head arrow) means reversible reaction).

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