Explain what are enzymes?

626

---

Explain the function of mitochondria?

574

---

Explain the secondary structure of proteins?

559

---

What group of elements were called the inert gases?

585

---

How tripod is used?

635

---

Explain how do you prepare a solution of 1 m hcl?

582

---

Define a substituted hydrocarbon?

617

---

Explain why do some medications contain hcl?

637

---

What is the atomic number?

555

---

Explain the difference in the modern periodic table and mendeleevs table?

567

---

How are atoms of the isotopes different from one another? Two isotopes of carbon are carbon-12 and carbon-14.

556

---

Explain the chemical formula for dichromate?

595

---

Name the branch of chemistry that deals with the relationship between electricity and chemical reactions?

721

---

Tell me the common name of the molecule dihydrogen dioxide?

583

---

Explain the difference between the law of multiple proportions and the law of definite proportions?

576

---