FOURTH QUARTER SUMMATIVE TEST IN SCIENCE 10
Quiz by Loisa Tolentino
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Measures 4 skills fromGrade 10SciencePhilippines Curriculum: Grades K-10 (MELC)
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- Q1
Danny is a scuba diver and had a mission of exploring the shallow depth of Marianas Trench. What do you think will happen if he will not be equipped by a divers’ oxygen tank as he descends to the shallow portion of the ocean?
There is no change in the lungs.
The lungs expand.
The lungs compress.
The lungs explode.
30sS9MT -IIj -20EditDelete - Q2
Which phenomenon best illustrates Charles’ Law?
Expansion of the balloon as it is being submerged in hot water
Breathing apparatus being used by a patient
Leavening agent causing the fluffiness of cake products
Carbon dioxide is dissolved in water.
30sS9MT -IIj -20EditDelete - Q3
Records show that the incidence of tire explosion is high during the summer season. Which of the following gives the best explanation for this observation?
There is too much air inside the tires.
There are more travelers during summer vacation.
Vehicles’ tires are not well maintained.
High temperature during the summer season causes the air inside the tire to expand.
30sS9MT -IIj -20EditDelete - Q4
What happens to the volume of a gas if its temperature decreases while keeping a constant pressure?
its volume is unchanged.
its volume increases.
its volume is neglected.
its volume decreases.
30sS9MT -IIj -20EditDelete - Q5
The use of the following materials work under the principle of Boyle’s Law EXCEPT?
hot air balloon
syringe
bicycle pump
spray paint
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Consider a 1.0L container of Neon gas at 273 K and 1 atm. In which of the following conditions will the average kinetic energy increase?
I. The temperature increased to 1000C.
II. The temperature is decreased to 500C.
III. The volume has decreased to 0.5L.
IV. The number of moles of neon is doubled.
I, II, and IV
I and III
II only
I only
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Which biomolecule is the main source of the body’s energy?
30sS10MT -IVc - d -22EditDelete - Q8
Which biomolecule is made of nucleotides and contains your DNA?
30sS10MT -IVc - d -22EditDelete - Q9
Which biomolecule work in cells for the structure, function, and regulation of the body's tissues and organs?
30sS10MT -IVc - d -22EditDelete - Q10
Which biomolecule are soluble in organic solvents and insoluble in polar solvents such as water?
30sS10MT -IVc - d -22EditDelete - Q11
What elements are common to all kinds of biomolecules?
carbon, hydrogen, oxygen
carbon, nitrogen, phosphorus
carbon, hydrogen, nitrogen
carbon, hydrogen, phosphorus
30sS10MT -IVc - d -22EditDelete - Q12
You need a steady supply of amino acids in your diet to maintain a healthy body. To meet this need, you should make sure you eat enough of which class of biomolecule?
Proteins
Carbohydrates
Lipids
Nucleic Acid
30sS10MT -IVc - d -22EditDelete - Q13
Which is/are TRUE about the Law of Conservation of Mass?
I. The mass of the reactants is equal to the mass of the product.
II. The number of atoms in the reactant is the same as the number of atoms in the product.
III. The number of moles in the reactants is the same as the number of moles in the product.
IV. The masses of the reactant and product are the same, but the moles are different.
II, III, IV
1 and II
II and IV
I, II, III
30sS10MT -IVe - g -23EditDelete - Q14
Which chemical equation will have equal masses from the reactant and product side?
H2O2(aq) → H2O(l) + O2(q)
Al(s) + 6HCl(aq) → AlCl3(aq) + 3H2(g)
C6H10O5(s) + O2(g) → 6CO2(g) +H2O(l)
NaHCO3(aq) + CH3COOH(aq) →H2CO3(aq) + NaCH3COO(aq)
30sS10MT -IVe - g -23EditDelete - Q15
If I want to use a wire to hang my plants, which will last longer: an iron wire or a copper wire? Why?
A copper wire because it is more reactive to water and oxygen than iron.
An iron wire because it is less reactive to water and oxygen than copper.
A copper wire because it is less reactive to water and oxygen than iron.
An iron wire because it is more reactive to water and oxygen than copper.
30sS10MT -IVh - j -24EditDelete - Q16
Complete the chemical equations with correct numerical coefficients to balance the equation.
___CH4(g) + ___O2(g) → ___CO2(g) + ___H2O (g)
CH4(g) + O2(g) → CO2(g) + H2O (g)
2CH4(g) + O2(g) → 4CO2(g) + 2H2O(g)
CH4(g) + 2O2(g) → CO2(g) + 2H2O(g)
CH4(g) + O2(g) → 2CO2(g) + H2O (g)
30sS10MT -IVe - g -23EditDelete - Q17
Complete the chemical equations with correct numerical coefficients to balance the equation.
____CaCO3(s) + ___ HCl(aq) → ___ CaCl2 (aq) +___ CO2(g) + ___ H2O(l)
2CaCO3(s) + HCl(aq) → CaCl2 (aq) + CO2(g) +H2O(l)
CaCO3(s) + 2HCl(aq) → CaCl2 (aq) + CO2(g) +H2O(l
CaCO3(s) + HCl(aq) → 2CaCl2 (aq) + CO2(g) +H2O(l)
CaCO3(s) + HCl(aq) → CaCl2 (aq) + 2CO2(g) +H2O(l)
30sS10MT -IVe - g -23EditDelete - Q18
Which is NOT TRUE about the Law of Conservation of mass?
Mass is neither created nor destroyed in a chemical reaction.
The product of the reaction is different from the reactants but, the mass is still the same.
The number of atoms before and after the reaction are equal.
The total mass of the product of the reaction is less than the reactants.
30sS10MT -IVe - g -23EditDelete - Q19
In the equation 2FeSO4(s) + Heat → Fe2O3(s) +SO2 (g)+ SO3(g)
there are more elements in the reactant sides.
there are more elements in the product side.
the equation is balanced.
the mass of the product is greater.
30sS10MT -IVh - j -24EditDelete - Q20
Magnesium has an oxidation state of +2 and oxygen has -2.What would be the product if these ions are combined?
Mg2O2(s)
MG3O2(s)
Mg3O(s)
MgO(s)
30sS10MT -IVe - g -23EditDelete
