State of the following formula of a compound is incorrect. Incorrectly write the correct formula. KCr2O7

State of the following formula of a compound is incorrect. Incorrectly write the correct formula.

KCr₂O₇

एक पंक्ति में उत्तर

KCr₂O₇

Correct formula – K₂Cr₂O₇

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अध्याय 1: The Language of Chemistry - For Additional High Order Thinking Questions [पृष्ठ १८]

अध्याय 1 The Language of Chemistry
For Additional High Order Thinking Questions | Q 3. 2. C. | पृष्ठ १८

Fill the following blanks with suitable words :

In a chemical reaction, the sum of the masses of the reactants and the products remains unchanged. This is called ....................

What do the following abbreviations stand for ?

An element Z has a valency of 3. What is the formula of oxide of Z ?

If the valency of hydrogen is 1 and that of nitrogen is 3, work out the formula for ammonia.

The formula of carbonate of a metal M is M₂CO₃.

What will be the formula of its phosphate ?

Give the formula and valency of:

Aluminate

Give the empirical formula of Acitic Acid CH₃COOH.

XCl₂ is the chloride of a metal X. State the formula of the sulphate and the hydroxide of the metal X.