Which of the following is used in pencils?

A. Graphite

B. Silicon

C. Charcoal

D. Phosphorous

Which of the following metals forms an amalgam with other metals?

A. Tin

B. Mercury

C. Lead

D. Zinc

Which are requirements for forming petroleum? Check all that apply. oxygen heat time pressure steam

Clary ran 20 miles in four hours. What was her average speed?

The displacement method is used to find the volume of irregularly shaped objects. Question 10 options: True False

Is HgSO4 soluble or insoluble?

Sometimes a group of covalently bonded atoms can act like a single atom when combining with other atoms. These covalently bonded groups possess a charge and usually form ionic bonds with other atoms. These groups are otherwise known as

Can anyone tell me how to balance chemical equations

Nomadic people received income from where

How many milliliters of 0.755 m h2so4 solution is needed to react with 55.0 ml of 2.50 m koh solution? given: 2 koh (aq) + h2so4 (aq) → 2 h2o (l) + k2so4 (aq) ?

Ammonia is among the top ten synthesized compounds. Its many uses include the manufacture of ammonium nitrate and other fertilizers. Ammonia decomposes at high temperatures. In an experiment to explore this behavior, 2.

How to seperate sand and water