1. Quartz crystals normally used in quartz clocks etc. is chemically
A. silicon dioxide
B. germanium oxide
C. a mixture of germanium oxide and silicon dioxide
D. sodium silicate
2. Which of the gas is not known as green house gas?
A. Methane
B. Nitrous oxide
C. Carbon dioxide
D. Hydrogen
Answers (1)
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “1. Quartz crystals normally used in quartz clocks etc. is chemically A. silicon dioxide B. germanium oxide C. a mixture of germanium oxide ...” in 📗 Chemistry if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers
You Might be Interested in
Question 25 a chemist determined by measurements that 0.020 moles of mercury participated in a chemical reaction. calculate the mass of mercury that participated in the chemical reaction. round your answer to 2 significant digits.
Answers (1)
What is the place of metalloids in the periodic table?
Answers (1)
Convert 7.680 moles of PtSe to grams
Answers (1)
How are concentration and chemical reaction rate related?
Answers (1)
What do you add to a base to weaken it
Answers (1)
New Questions in Chemistry
In an acid-base titration, of 20 ml of a m HCI solution with 1 m NaOH. How many ml of NaOH are needed
Answers (1)
Which of the following is not a source of air pollution related to human activities
Answers (1)
Objects and substances in motion is I
Answers (1)
If you were to remove an electron from a sodium atom that has eleven protons, what would be the electrical charge of the ion?
Answers (1)
The atomic mass of fluorine in 19.0 amu, so the molar mass is?
Answers (1)