When will Croatia reintroduce compulsory military

Choose the wrong statement

The chemical name of ______ is sodium hydrogen carbonate.

What does Mohs scale measure?

What is the viscosity of an ideal fluid?

Ball pen functions on the principle of :

The reaction of an aldehyde with Tollens’ reagent results in:

Law of conservation of mass is not correct for

Which of the following statement regarding Rutherford nuclear model is NOT correct?

The percentage of nitrogen in urea is :

Which of the following organic compounds undergo nucleophilic substitution reaction most easily?