Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Classification of Elements and Periodicity in Properties

The chemical formula of caustic potash is

1

NH₄OH

2

KOH

3

NaOH

4

More than one of the above

5

None of the above

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