General Science Class 10

Drugs for treatment of rheumatoid arthritis can be obtained from :

1. Animals
2. Minerals
3. Plants
4. Micro organisms

Drugs that slow normal brain functioning are categorized as :

1. Narcotics
2. Hallucinogen
3. Marijuana
4. Sedatives

Vaccination can be administered :

1. After infection
2. Before infection
3. During infection
4. All are Correct

Haris is addicted to a drug , which left the following effect on Haris: 1. Blurred vision 2. Making unseen faces in imagination 3. Euphoria. Identify the drug, to which Haris is addicted?

1. Narcotics
2. Hallucinogen
3. Antibiotics
4. Antiseptic

Which one is not the effect of misuse of antibiotics?

1. Diarrhea
2. Immunization
3. Stomach upset
4. Antibiotic resistance

Which one of the following statements is false about dynamic equilibrium?

1. It takes place in a close container
2. Concentration of reactant and products are not changed
3. Rate of forward reaction is equal to rate of reverse reaction
4. Equilibrium cannot be disturbed by any external stress

A reaction which is never goes to completion is known as reversible reaction. Reversible reaction is represented by :

1. Doted lines
2. Single arrow
3. Double arrow
4. Double straight line

For which system does the equilibrium constant, Kc has units of concentration.

1. N2(g) + 3H2(g) ⇌ 2NH3(g)
2. N2(g) + 02(g) ⇌ 2NO
3. H2(g) +12(g) ⇌ 2HI(g)
4. CO2(g) + H3(g) ⇌ CO + H2O(l)

The system is stable in equilibrium when :

1. Qc = Kc
2. Qc > Kc
3. Qc < K
4. None of these