Answer:
Streak is tested by scraping a mineral across plate
Explanation: Hope this helps :)
Answer:
I think it will option D hope it helps
The frequency stays the same it just gets louder
Answer: Option (d) is the correct answer.
Explanation:
An equation in which electrolytes are represented in the form of ions is known as an ionic equation.
Strong electrolytes easily dissociate into their corresponding ions. Hence, they form ionic equation.
is a strong acid and
is a strong bases, therefore, both of them will dissociate into ions.
Thus, total ionic equation will be as follows.

Answer:
The answer is : D. Wind energy